PRELIMINARY PRODUCT INFORMATION
MOS INTEGRATED CIRCUIT
µ
PD78F9221CS, 78F9222CS
8-BIT SINGLE-CHIP MICROCONTROLLER
The
µ
PD78F9221CS, 78F9222CS are 8-bit single-chip microcontrollers of the 78K0S series.
These microcontrollers feature Single-voltage Self-programming Flash memory and many peripherals.
Detailed function descriptions are provided in the following user's manuals. Be sure to read them before
designing.
78K0S/KA1+ User’s Manual:
78K/0S Series User's Manual Instruction:
U16898E
U11047E
FEATURES
Minimum instruction execution time selectable from high speed (0.2
µ
s) to low speed (3.2
µ
s) (with CPU clock of
10 MHz)
General-purpose registers: 8 bits
×
8 registers
ROM and RAM capacities
Item
Program Memory (Flash Memory)
Part number
Memory (Internal High-Speed RAM)
128 bytes
256 bytes
µ
PD78F9221CS
µ
PD78F9222CS
2 KB
4 KB
On-chip power-on clear (POC) circuit and low voltage detector (LVI)
On-chip watchdog timer (operable on internal low-speed internal oscillator clock)
I/O ports: 17
Timer: 4 channels
•
16-bit timer/event counter:
•
8-bit timer:
•
Watchdog timer:
1 channel
2 channels
1 channel
Serial interface: UART (LIN (Local Interconnect Network) bus supported) 1 channel
10-bit resolution A/D converter: 4 channels
Supply voltage: V
DD
= 2.0 to 5.5 V
Note
Operating temperature range: T
A
=
−40
to +85°C
Note
Use this product in a voltage range of 2.2 to 5.5 V because the detection voltage (V
POC
) of the power-on
clear (POC) circuit is 2.1 V
±0.1
V.
The information contained in this document is being issued in advance of the production cycle for the
product. The parameters for the product may change before final production or NEC Electronics
Corporation, at its own discretion, may withdraw the product prior to its production.
Not all products and/or types are availabe in every country. Please check with an NEC Electronics
sales representative for availability and additional information.
Document No. U18680EJ1V0PM00 (1st edition)
Date Published June 2007 NS CP(K)
Printed in Japan
2007
µ
PD78F9221CS, 78F9222CS
APPLICATIONS
Automotive electronics, household appliances, toys, and industrial equipment
ORDERING INFORMATION
Part Number
Package
20-pin plastic SDIP (7.62 mm (300))
20-pin plastic SDIP (7.62 mm (300))
µ
PD78F9221CS-CAC-A
µ
PD78F9222CS-CAC-A
Remark
Products with -A at the end of the part number are lead-free products.
2
Preliminary Product Information U18680EJ1V0PM00
µ
PD78F9221CS, 78F9222CS
OVERVIEW OF FUNCTIONS
Item
Internal
memory
Flash memory
High-speed RAM
2 KB
128 bytes
64 KB
Crystal/ceramic/external clock input:
10 MHz (V
DD
= 2.0 to 5.5 V)
Internal
oscillation
clock
High speed (oscillation
frequency)
Low speed (for TMH1
and WDT)
General-purpose registers
Instruction execution time
I/O port
8 bits
×
8 registers
0.2
µ
s/0.4
µ
s/0.8
µ
s/1.6
µ
s/3.2
µ
s (X1 input clock: f
X
= 10 MHz)
Total:
CMOS I/O:
CMOS input:
CMOS output:
Timer
17 pins
15 pins
1 pin
1 pin
1 channel
1 channel
1 channel
1 channel
Internal oscillation: 240 kHz (TYP.)
Internal oscillation: 8 MHz (TYP.)
µ
PD78F9221CS
4 KB
256 bytes
µ
PD78F9222CS
Memory space
X1 input clock (oscillation frequency)
•
16-bit timer/event counter:
•
8-bit timer (timer H1):
•
8-bit timer (timer 80):
•
Watchdog timer:
Timer output
2 pins (PWM: 1 pin)
10-bit resolution
×
4 channels
A/D converter
Serial interface
Vectored
interrupt sources
Reset
External
Internal
LIN-bus-supporting UART mode: 1 channel
4
9
•
Reset by RESET pin
•
Internal reset by watchdog timer
•
Internal reset by power-on clear
•
Internal reset by low-voltage detector
V
DD
= 2.0 to 5.5 V
Note
Supply voltage
Operating temperature range
Package
T
A
=
−40
to +85°C
20-pin plastic SDIP
Note
Use this product in a voltage range of 2.2 to 5.5 V because the detection voltage (V
POC
) of the power-on- clear
(POC) circuit is 2.1 V
±0.1
V.
Preliminary Product Information U18680EJ1V0PM00
3
µ
PD78F9221CS, 78F9222CS
PIN CONFIGURATION (Top View)
•
20-pin plastic SDIP
P23/ANI3
P22/ANI2
P21/ANI1
P20/ANI0
AV
REF
V
SS
P121/X1
P122/X2
P123
V
DD
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
P130
P45
P44/RxD6
P43/TxD6/INTP1
P42/TOH1
P41/INTP3
P40
P30/TI000/INTP0
P31/TI010/TO00/INTP2
RESET/P34
Note
In the
µ
PD78F9221CS, 78F9222CS, V
SS
functions alternately as the ground potential of the A/D converter.
Be sure to connect V
SS
to a stabilized GND (= 0 V).
ANI0 to ANI3:
AV
REF
:
INTP0 to INTP3:
P20 to P23:
P30, P31, P34:
P40 to P45:
P121 to P123:
P130:
Analog input
Analog reference voltage
External interrupt input
Port 2
Port 3
Port 4
Port 12
Port 13
RESET:
RxD6:
TI000, TI010:
TO00, TOH1:
TxD6:
V
DD
:
V
SS
:
X1, X2:
Reset
Receive data
Timer input
Timer output
Transmit data
Power supply
Ground
Crystal oscillator (X1 input clock)
4
Preliminary Product Information U18680EJ1V0PM00
µ
PD78F9221CS, 78F9222CS
BLOCK DIAGRAM
TO00/TI010/P31
TI000/P30
16-bit timer/event
counter 00
Port 2
4
P20 to P23
Port 3
8-bit timer 80
2
P30, P31
P34
TOH1/P42
8-bit timer H1
Port 4
6
P40 to P45
Low-speed
internal oscillator
78K0S
CPU
core
Flash
memory
Port 12
3
P121 to P123
Port 13
Watchdog timer
P130
RxD6/P44
TxD6/P43
ANI0/P20 to
ANI3/P23
AV
REF
Serial interface
UART6
Internal
high-speed
RAM
Power on clear/
low voltage
indicator
POC/LVI
control
4
A/D converter
Reset control
INTP0/P30
INTP1/P43
INTP2/P31
INTP3/P41
V
DD
V
SS
Note
Interrupt control
RESET/P34
System control
X1/P121
X2/P122
High-speed
internal oscillator
Note
In the
µ
PD78F9221CS, 78F9222CS, V
SS
functions alternately as the ground potential of the A/D converter.
Be sure to connect V
SS
to a stabilized GND (= 0 V).
Preliminary Product Information U18680EJ1V0PM00
5
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