UPD78F9222MC(T)-5A4-A NEC, UPD78F9222MC(T)-5A4-A Datasheet - Page 23

• 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

<R>
Note
Caution The P121/X1 and P122/X2 pins are pulled down during reset.
INTP0
INTP1
INTP2
INTP3
RxD6
TxD6
TI000
TI010
TO00
TOH1
ANI0 to ANI3
AV
RESET
X1
X2
V
V
DD
SS
(2) Non-port functions
Pin Name
Note
Note
REF
For the setting method for pin functions, see CHAPTER 17 OPTION BYTE.
Note
Input
Input
Output
Input
Output
Output
Input
Input
Input
I/O
−
−
−
−
External interrupt input for which the valid edge (rising edge,
falling edge, or both rising and falling edges) can be specified
Serial data input for asynchronous serial interface
Serial data output for asynchronous serial interface
External count clock input to 16-bit timer/event counter 00.
Capture trigger input to capture registers (CR000 and CR010) of
16-bit timer/event counter 00
Capture trigger input to capture register (CR000) of 16-bit
timer/event counter 00
16-bit timer/event counter 00 output
8-bit timer H1 output
Analog input of A/D converter
A/D converter reference voltage input and positive power supply
for P20 to P23 and A/D converter
System reset input
Connection of crystal/ceramic resonator for system clock
oscillation.
External clock input
Connection of crystal/ceramic resonator for system clock
oscillation.
Positive power supply
Ground potential
CHAPTER 2 PIN FUNCTIONS
User’s Manual U16898EJ5V0UD
Function
After Reset
Input
Input
Input
Input
Input
Input
Input
−
−
−
−
−
−
P30/TI000
P43/TxD6
P31/TI010/TO00
P41
P44
P43/INTP1
P30/INTP0
P31/TO00/INTP2
P31/TI010/INTP2
P42
P20 to P23
P34
P121
P122
Function Pin
Alternate-
Note
Note
Note
−
−
−
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