UPD78F9222MC(T)-5A4-A NEC, UPD78F9222MC(T)-5A4-A Datasheet - Page 50

• 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

4.1
shows the functions of each port.
CHAPTER 2 PIN FUNCTIONS.
50
The 78K0S/KA1+ has the ports shown in Figure 4-1, which can be used for various control operations. Table 4-1
In addition to digital I/O port functions, each of these ports has an alternate function.
Functions of Ports
Port 4
Port 12
Port 13
CHAPTER 4 PORT FUNCTIONS
Figure 4-1. Port Functions
P40
P45
P121
P123
P130
User’s Manual U16898EJ5V0UD
P20
P23
P30
P31
P34
Port 2
Port 3
For details, refer to