Z85C3008VSG datasheet, PDF - EEWORLD Datasheet

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Z85C3008VSG: DescriptionI/O Controller Interface IC 8 MHz Z8500 CMOS; CategoryThe embedded processor and controller Microcontrollers and processors; File Size5MB，81 Pages; ManufacturerZilog, Inc.; Websitehttps://www.zilog.com/; Environmental Compliance

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Z85C3008VSG Overview

I/O Controller Interface IC 8 MHz Z8500 CMOS

Z85C3008VSG Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Parts packaging code	LCC
package instruction	QCCJ, LDCC44,.7SQ
Contacts	44
Reach Compliance Code	unknown
ECCN code	EAR99
Other features	TWO MODEM CONTROL I/OS USABLE AS GENERAL PURPOSE I/OS; 10 X 19 FRAME STATUS FIFO
Address bus width	1
boundary scan	NO
Bus compatibility	Z80
maximum clock frequency	8 MHz
letter of agreement	ASYNC, BIT; SYNC, BYTE; SYNC, HDLC; SYNC, SDLC; X.25; BISYNC; EXT SYNC
Data encoding/decoding methods	NRZ; NRZI-SPACE; BIPH-MARK(FM1); BIPH-SPACE(FM0); BIPH-LEVEL(MANCHESTER)
Maximum data transfer rate	0.5125 MBps
External data bus width	8
JESD-30 code	S-PQCC-J44
JESD-609 code	e3
length	16.5862 mm
low power mode	NO
Number of DMA channels
Number of I/O lines
Number of serial I/Os	2
Number of terminals	44
On-chip data RAM width
Maximum operating temperature	70 °C
Minimum operating temperature
Package body material	PLASTIC/EPOXY
encapsulated code	QCCJ
Encapsulate equivalent code	LDCC44,.7SQ
Package shape	SQUARE
Package form	CHIP CARRIER
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
power supply	5 V
Certification status	Not Qualified
RAM (number of words)	0
Maximum seat height	4.57 mm
Maximum slew rate	12 mA
Maximum supply voltage	5.5 V
Minimum supply voltage	4.5 V
Nominal supply voltage	5 V
surface mount	YES
technology	CMOS
Temperature level	COMMERCIAL
Terminal surface	Matte Tin (Sn)
Terminal form	J BEND
Terminal pitch	1.27 mm
Terminal location	QUAD
Maximum time at peak reflow temperature	NOT SPECIFIED
width	16.5862 mm
uPs/uCs/peripheral integrated circuit type	SERIAL IO/COMMUNICATION CONTROLLER, MULTI PROTOCOL
Base Number Matches	1

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Z80C30/Z85C30

CMOS SCC Serial

Communications

Controller

Product Specification

PS011706-0511

www.zilog.com

CMOS SCC Serial Communications Controller

Product Specification

Table of Contents

Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .iii

Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iv

List of Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vi

List of Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .viii

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Other Features for Z85C30 Only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

CTSA, CTSB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

DCDA, DCDB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

DTR/REQA, DTR/REQB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

IEI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

IEO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

INT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

INTACK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

PCLK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

RxDA, RxDB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

RTxCA, RTxCB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

RTSA, RTSB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

SYNCA, SYNCB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

TxDA, TxDB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

TRxCA, TRxCB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

W/REQA, W/REQB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Z85C30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

A/B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

CE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

D7–D0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

D/C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

RD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

WR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Z80C30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

AD7–AD0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

AS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

CS0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

CS1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

PS011706-0511

Table of Contents

CMOS SCC Serial Communications Controller

Product Specification

DS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

R/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Pin Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Functional Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

I/O Interface Capabilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Polling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

CPU/DMA Block Transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SCC Data Communications Capabilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Asynchronous Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Synchronous Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Baud Rate Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Digital Phase-Locked Loop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Data Encoding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Auto Echo and Local Loopback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SDLC FIFO Frame Status FIFO Enhancement . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Z85C30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Z80C30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Z85C30/Z80C30 Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Z85C30 Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Z80C30 Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Standard Test Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Capacitance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Miscellaneous . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Packaging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Part Number Suffix Designations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Customer Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

PS011706-0511

Table of Contents

Z85C3008VSG Related Products

	Z85C3008VSG	Z80C3008PSG	Z85C3008PSG	Z85C3008PEG	Z80C3010VSG	Z85C3010VSG	Z85C3016PSG	Z85C3008VEG	Z85C3010PSG
Description	I/O Controller Interface IC 8 MHz Z8500 CMOS	I/O Controller Interface IC 8MHz CMOS Z8000 SCC	I/O Controller Interface IC 8 MHz Z8500 CMOS	I/O Controller Interface IC 8 MHz Z8500 CMOS XT	I/O Controller Interface IC 10MHz CMOS Z8000 SCC	I/O Controller Interface IC 10 MHz Z8500 CMOS	I/O Controller Interface IC 16 MHz Z8500 CMOS	I/O Controller Interface IC 8 MHz Z8500 CMOS XT	I/O Controller Interface IC 10 MHz Z8500 CMOS
Is it lead-free?	Lead free	Lead free	Lead free	Lead free	-	Lead free	Lead free	Lead free	Lead free
Is it Rohs certified?	conform to	conform to	conform to	conform to	-	conform to	conform to	conform to	conform to
Parts packaging code	LCC	DIP	DIP	DIP	-	LCC	DIP	LCC	DIP
package instruction	QCCJ, LDCC44,.7SQ	DIP, DIP40,.6	DIP, DIP40,.6	DIP, DIP40,.6	-	QCCJ, LDCC44,.7SQ	DIP, DIP40,.6	QCCJ, LDCC44,.7SQ	DIP, DIP40,.6
Contacts	44	40	40	40	-	44	40	44	40
Reach Compliance Code	unknown	unknown	unknown	unknown	-	unknown	unknown	unknown	unknown
ECCN code	EAR99	-	EAR99	EAR99	-	EAR99	-	EAR99	-
Other features	TWO MODEM CONTROL I/OS USABLE AS GENERAL PURPOSE I/OS; 10 X 19 FRAME STATUS FIFO	TWO MODEM CONTROL I/OS USABLE AS GENERAL PURPOSE I/OS; 10 X 19 FRAME STATUS FIFO	TWO MODEM CONTROL I/OS USABLE AS GENERAL PURPOSE I/OS; 10 X 19 FRAME STATUS FIFO	TWO MODEM CONTROL I/OS USABLE AS GENERAL PURPOSE I/OS; 10 X 19 FRAME STATUS FIFO	-	TWO MODEM CONTROL I/OS USABLE AS GENERAL PURPOSE I/OS; 10 X 19 FRAME STATUS FIFO	TWO MODEM CONTROL I/OS USABLE AS GENERAL PURPOSE I/OS; 10 X 19 FRAME STATUS FIFO	TWO MODEM CONTROL I/OS USABLE AS GENERAL PURPOSE I/OS; 10 X 19 FRAME STATUS FIFO	TWO MODEM CONTROL I/OS USABLE AS GENERAL PURPOSE I/OS; 10 X 19 FRAME STATUS FIFO
Address bus width	1	8	1	8	-	1	8	8	1
boundary scan	NO	NO	NO	NO	-	NO	NO	NO	NO
Bus compatibility	Z80	Z80	Z80	Z80	-	Z80	Z80	Z80	Z80
maximum clock frequency	8 MHz	8 MHz	8 MHz	16.384 MHz	-	10 MHz	16.384 MHz	16.384 MHz	10 MHz
letter of agreement	ASYNC, BIT; SYNC, BYTE; SYNC, HDLC; SYNC, SDLC; X.25; BISYNC; EXT SYNC	ASYNC, BIT; SYNC, BYTE; SYNC, HDLC; SYNC, SDLC; X.25; BISYNC; EXT SYNC	ASYNC, BIT; SYNC, BYTE; SYNC, HDLC; SYNC, SDLC; X.25; BISYNC; EXT SYNC	ASYNC, BIT; SYNC, BYTE; SYNC, HDLC; SYNC, SDLC; X.25; BISYNC; EXT SYNC	-	ASYNC, BIT; SYNC, BYTE; SYNC, HDLC; SYNC, SDLC; X.25; BISYNC; EXT SYNC	ASYNC, BIT; SYNC, BYTE; SYNC, HDLC; SYNC, SDLC; X.25; BISYNC; EXT SYNC	ASYNC, BIT; SYNC, BYTE; SYNC, HDLC; SYNC, SDLC; X.25; BISYNC; EXT SYNC	ASYNC, BIT; SYNC, BYTE; SYNC, HDLC; SYNC, SDLC; X.25; BISYNC; EXT SYNC
Data encoding/decoding methods	NRZ; NRZI-SPACE; BIPH-MARK(FM1); BIPH-SPACE(FM0); BIPH-LEVEL(MANCHESTER)	NRZ; NRZI-SPACE; BIPH-MARK(FM1); BIPH-SPACE(FM0); BIPH-LEVEL(MANCHESTER)	NRZ; NRZI-SPACE; BIPH-MARK(FM1); BIPH-SPACE(FM0); BIPH-LEVEL(MANCHESTER)	NRZ; NRZI-SPACE; BIPH-MARK(FM1); BIPH-SPACE(FM0); BIPH-LEVEL(MANCHESTER)	-	NRZ; NRZI-SPACE; BIPH-MARK(FM1); BIPH-SPACE(FM0); BIPH-LEVEL(MANCHESTER)	NRZ; NRZI-SPACE; BIPH-MARK(FM1); BIPH-SPACE(FM0); BIPH-LEVEL(MANCHESTER)	NRZ; NRZI-SPACE; BIPH-MARK(FM1); BIPH-SPACE(FM0); BIPH-LEVEL(MANCHESTER)	NRZ; NRZI-SPACE; BIPH-MARK(FM1); BIPH-SPACE(FM0); BIPH-LEVEL(MANCHESTER)
Maximum data transfer rate	0.5125 MBps	0.5125 MBps	0.5125 MBps	0.5125 MBps	-	0.5125 MBps	0.5125 MBps	0.5125 MBps	0.5125 MBps
External data bus width	8	8	8	8	-	8	8	8	8
JESD-30 code	S-PQCC-J44	R-PDIP-T40	R-PDIP-T40	R-PDIP-T40	-	S-PQCC-J44	R-PDIP-T40	S-PQCC-J44	R-PDIP-T40
JESD-609 code	e3	e3	e3	e3	-	e3	e3	e3	e3
length	16.5862 mm	52.325 mm	52.325 mm	52.325 mm	-	16.5862 mm	52.325 mm	16.585 mm	52.325 mm
low power mode	NO	NO	NO	NO	-	NO	NO	NO	NO
Number of serial I/Os	2	2	2	2	-	2	2	2	2
Number of terminals	44	40	40	40	-	44	40	44	40
Maximum operating temperature	70 °C	70 °C	70 °C	100 °C	-	70 °C	70 °C	100 °C	70 °C
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	-	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	QCCJ	DIP	DIP	DIP	-	QCCJ	DIP	QCCJ	DIP
Encapsulate equivalent code	LDCC44,.7SQ	DIP40,.6	DIP40,.6	DIP40,.6	-	LDCC44,.7SQ	DIP40,.6	LDCC44,.7SQ	DIP40,.6
Package shape	SQUARE	RECTANGULAR	RECTANGULAR	RECTANGULAR	-	SQUARE	RECTANGULAR	SQUARE	RECTANGULAR
Package form	CHIP CARRIER	IN-LINE	IN-LINE	IN-LINE	-	CHIP CARRIER	IN-LINE	CHIP CARRIER	IN-LINE
Peak Reflow Temperature (Celsius)	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	-	260	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED
power supply	5 V	5 V	5 V	5 V	-	5 V	5 V	5 V	5 V
Certification status	Not Qualified	Not Qualified	Not Qualified	Not Qualified	-	Not Qualified	Not Qualified	Not Qualified	Not Qualified
Maximum seat height	4.57 mm	4.24 mm	4.24 mm	4.24 mm	-	4.57 mm	4.24 mm	4.57 mm	4.24 mm
Maximum slew rate	12 mA	12 mA	12 mA	12 mA	-	12 mA	15 mA	12 mA	12 mA
Maximum supply voltage	5.5 V	5.5 V	5.5 V	5.5 V	-	5.5 V	5.5 V	5.5 V	5.5 V
Minimum supply voltage	4.5 V	4.5 V	4.5 V	4.5 V	-	4.5 V	4.5 V	4.5 V	4.5 V
Nominal supply voltage	5 V	5 V	5 V	5 V	-	5 V	5 V	5 V	5 V
surface mount	YES	NO	NO	NO	-	YES	NO	YES	NO
technology	CMOS	CMOS	CMOS	CMOS	-	CMOS	CMOS	CMOS	CMOS
Temperature level	COMMERCIAL	COMMERCIAL	COMMERCIAL	INDUSTRIAL	-	COMMERCIAL	COMMERCIAL	INDUSTRIAL	COMMERCIAL
Terminal surface	Matte Tin (Sn)	Matte Tin (Sn)	Matte Tin (Sn)	-	-	Matte Tin (Sn)	-	-	Matte Tin (Sn)
Terminal form	J BEND	THROUGH-HOLE	THROUGH-HOLE	THROUGH-HOLE	-	J BEND	THROUGH-HOLE	J BEND	THROUGH-HOLE
Terminal pitch	1.27 mm	2.54 mm	2.54 mm	2.54 mm	-	1.27 mm	2.54 mm	1.27 mm	2.54 mm
Terminal location	QUAD	DUAL	DUAL	DUAL	-	QUAD	DUAL	QUAD	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	-	40	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED
width	16.5862 mm	15.24 mm	15.24 mm	15.24 mm	-	16.5862 mm	15.24 mm	16.585 mm	15.24 mm
uPs/uCs/peripheral integrated circuit type	SERIAL IO/COMMUNICATION CONTROLLER, MULTI PROTOCOL	SERIAL IO/COMMUNICATION CONTROLLER, MULTI PROTOCOL	SERIAL IO/COMMUNICATION CONTROLLER, MULTI PROTOCOL	SERIAL IO/COMMUNICATION CONTROLLER, MULTI PROTOCOL	-	SERIAL IO/COMMUNICATION CONTROLLER, MULTI PROTOCOL	SERIAL IO/COMMUNICATION CONTROLLER, MULTI PROTOCOL	SERIAL IO/COMMUNICATION CONTROLLER, MULTI PROTOCOL	SERIAL IO/COMMUNICATION CONTROLLER, MULTI PROTOCOL
Base Number Matches	1	1	1	1	-	1	1	-	1

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DC to AC inverter manufacturing: Good stuff, don't miss it...; kasco Power technology

Urgent question: What is the general process of Broadcom switch development (MIPS or MPC)?: As the title;...; thinking8088 Embedded System

What does it mean to stop updating the www.raw-os.com open source website? Will it no longer be developed?: About the website update suspension announcement 2012-04-25 ~ 2013-04-25 Due to various reasons, Dezhi can no longer continue to contribute to the open source website [url]www.raw-os.com[/url], and wi...; HOHO Embedded System

Use MicroPython development board to read and display custom Chinese character library: [i=s]This post was last edited by Walkline on 2021-9-5 00:10[/i]MicroPython New FontLib### Project Introduction Use `MicroPython development board` to read and display custom fonts### Get the complete...; Walkline MicroPython Open Source section

All images on the OLED display are flipped 90°. Help online! !: A device under VXWORKS, the original handheld terminal is LED screen, all images are displayed in horizontal screen. But since the OLED screen is replaced, it has changed to vertical screen display. H...; zhangjuny30 Embedded System

Test LWIP UDP (STM32H750/STM32H743) receiving 5913 and above, it will enter HardFault in about 5 seconds...: When testing LWIP UDP (STM32H750/STM32H743) receiving 5913 and above, it enters the HardFault_Handler crash state in about 5 seconds. Has anyone encountered a similar problem?...; cjq_enjoy ARM Technology

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