UPD78F9222MC(T)-5A4-A NEC, UPD78F9222MC(T)-5A4-A Datasheet - Page 61

• 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

P12:
PU12:
PM12:
RD:
WR××: Write signal
WR
WR
WR
RD
PORT
PM
Port register 12
Pull-up resistor option register 12
Port mode register 12
Read signal
PU
Output latch
PM123
PU123
(P123)
PM12
PU12
P12
Figure 4-11. Block Diagram of P123
CHAPTER 4 PORT FUNCTIONS
User’s Manual U16898EJ5V0UD
V
DD
P-ch
P123
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