UPD78F9222MC(T)-5A4-A NEC, UPD78F9222MC(T)-5A4-A Datasheet - Page 20

• Manufacturer Part Number: UPD78F9222MC(T)-5A4-A
• Description: 8BIT MCU, 4K FLASH, 256B RAM, 78F9222
• Manufacturer: NEC

Specifications of UPD78F9222MC(T)-5A4-A

• Controller Family/series: UPD78
• No. Of I/o's: 17
• Ram Memory Size: 256Byte
• Cpu Speed: 10MHz
• No. Of Timers: 4
• No. Of: RoHS Compliant
• Core Size: 8bit
• Program Memory Size: 4KB
• Oscillator Type: External, Internal

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1.5 Block Diagram
20
TO00/TI010/P31
Note In the 78K0S/KA1+, V
ANI0/P20 to
Note 5 There are 2 and 4 factors for the products without A/D converter in the 78K0S/KU1+ and 78K0S/KY1+,
INTP0/P30
INTP1/P43
INTP2/P31
INTP3/P41
TOH1/P42
TI000/P30
RxD6/P44
ANI3/P23
TxD6/P43
AV
connect V
REF
respectively.
4
SS
to a stabilized GND (= 0 V).
16-bit timer/event
internal oscillator
Interrupt control
8-bit timer 80
Watchdog timer
Serial interface
A/D converter
8-bit timer H1
counter 00
Low-speed
UART6
SS
functions alternately as the ground potential of the A/D converter. Be sure to
User’s Manual U16898EJ5V0UD
CHAPTER 1 OVERVIEW
high-speed
78K0S
Internal
CPU
core
RAM
V
DD
V
SS
memory
Flash
Note
System control
internal oscillator
Power on clear/
Reset control
low voltage
High-speed
Port 12
Port 13
indicator
Port 2
Port 3
Port 4
4
2
6
3
POC/LVI
P20 to P23
P30, P31
P34
P40 to P45
P121 to P123
P130
control
RESET/P34
X1/P121
X2/P122