BJ8P509FNB datasheet, PDF - EEWORLD Datasheet

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BJ8P509FNB: DescriptionWorking voltage: 2.3V ~ 5.5V CPU bits: 8-Bit CPU core: - Main frequency (MAX): 20MHz ROM type: OTP. The PIC12C509 program can be used directly through software conversion.; CategoryThe embedded processor and controller Other processors and microcontroller (MCU); File Size3MB，39 Pages; ManufacturerShenzhen B.J.X; Websitehttp://www.bjxmcu.com/; Shenzhen Bojuxing Industrial Development Co., Ltd., founded in September 2003, is a high-tech enterprise focusing on the design, service and sales of general-purpose single-chip microcomputers (MCU) and special-purpose system-on-chip (SOC) integrated circuits (IC). The company currently has more than 40 patent technologies and more than 100 employees, including more than 60 full-time R&D personnel. The company was recognized as a "Shenzhen Software Enterprise" in 2006, a "Shenzhen High-tech Enterprise" in 2007, and a "National High-tech Enterprise" in 2011. In 2013, it became a founding member and permanent director of the "Shenzhen Micro-Nano Integrated Circuit and System Application Research Institute", and in 2015, it became a member of the "Shenzhen-Hong Kong Microelectronics Collaborative Innovation Alliance". Since 2008, the company has formed strategic industry-university-research partnerships with universities such as Xiamen University, Central South University, and Hunan University.

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BJ8P509FNB Overview

Working voltage: 2.3V ~ 5.5V CPU bits: 8-Bit CPU core: - Main frequency (MAX): 20MHz ROM type: OTP. The PIC12C509 program can be used directly through software conversion.

BJ8P509FNB Parametric

Parameter Name	Attribute value
Extra features	-
UART/USART	0
SPI	0
USB Device	0
PWM	0
USB Host/OTG	0
LCD	0
I2C（SMBUS/PMBUS）	0
Operating Voltage	2.3V ~ 5.5V
Ethernet	0
EEPROM size	0
CAN	0
A/D	0
D/A	0
CPU bits	8-Bit
CPU core	-
ROM size	1KW
RAM size	49Bytes
Main frequency (MAX)	20MHz
ROM type	OTP
Number of I/Os	6

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BJ8P509F

PRODUCT

SPECIFICATION

(V1.0)

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BJ8P509F

V1.0

Jul,2015

Contents

1.Features.............................................................................................................................................4

2. General Description.........................................................................................................................5

3. Block Diagram................................................................................................................................ 6

4. Pin connection and Pin descriptions............................................................................................... 6

4.1 Pin Assignments.................................................................................................................... 6

4.2 Pin descriptions..................................................................................................................... 7

5.memory organization........................................................................................................................7

5.1 Program Memory Organization......................................................................................... 7

5.2 Data Memory Organization................................................................................................8

6. Functional description................................................................................................................... 10

6.1 Operational Registers.......................................................................................................... 10

6.1.1 INDF (Indirect Addressing Register).......................................................................10

6.1.2 TMR0 (Time Clock/Counter register)..................................................................... 11

6.1.3 PCL (Low Bytes of Program Counter) & Stack...................................................... 11

6.1.4 STATUS (Status Register)....................................................................................... 13

6.1.5 FSR (Indirect Data Memory Address Pointer)........................................................ 14

6.1.6 PORTB (Port Data Register)....................................................................................14

6.1.7 PCON (Power Control Register)............................................................................. 14

6.1.8 WUCON (Port B Input Change Interrupt/Wake-up Control Register)................... 15

6.1.9 PCHBUF (High Byte Buffer of Program Counter)................................................. 15

6.1.10 PDCON (Pull-down Control Register)..................................................................15

6.1.11 ODCON (Open-drain Control Register)................................................................16

6.1.12 PHCON (Pull-high Control Register)....................................................................16

6.1.13 INTEN (Interrupt Mask Register)..........................................................................17

6.1.14 INTFLAG (Interrupt Status Register)................................................................... 18

6.1.15 ACC (Accumulator)............................................................................................... 18

6.1.16 OPTION Register...................................................................................................18

6.1.17 IOSTB (Port I/O Control Register)........................................................................19

6.2 I/O Port................................................................................................................................ 19

6.3 Timer0/WDT & pre-scaler............................................................................................... 21

6.3.1 Timer0...................................................................................................................... 21

6.3.1.1 Using Timer0 with an Internal Clock : Timer mode.....................................22

6.3.1.2 Using Timer0 with an External Clock : Counter mode................................ 22

6.3.2 Watchdog Timer (WDT).......................................................................................... 22

6.3.3 pre-scaler.................................................................................................................. 23

6.4 Interrupts............................................................................................................................. 24

6.4.1 External INT Interrupt............................................................................................. 24

6.4.2 Timer0 Interrupt....................................................................................................... 24

6.4.3 Port B Input Change Interrupt..................................................................................24

6.5 Power-down Mode (SLEEP).............................................................................................. 25

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V1.0

Jul,2015

6.5.1 Wake-up from SLEEP Mode....................................................................................25

6.6 Reset.................................................................................................................................... 26

6.6.1 Power-up Reset Timer(PWRT)................................................................................ 26

6.6.2 Oscillator Start-up Timer(OST)............................................................................... 27

6.6.3 Reset Sequence.........................................................................................................27

6.7 Hexadecimal Convert to Decimal (HCD)...........................................................................29

6.8 Oscillator Configurations....................................................................................................30

7. Absolute maximum....................................................................................................................... 34

8. Operating conditions.................................................................................................................. 34

9. Package Dimension....................................................................................................................... 35

9.1 8-PIN DIP............................................................................................................................35

9.2 8-PIN SOP...........................................................................................................................36

9.3 6-PIN SOT23.......................................................................................................................37

9.4 8-PIN TSSOP8.................................................................................................................... 38

10.Edition statement..........................................................................................................................39

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