UPD78F9222MC(T)-5A4-A NEC, UPD78F9222MC(T)-5A4-A Datasheet - Page 64

• 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

64
Address: FF02H After reset: 00H (Output latch) R/W
Symbol
P2
Address: FF03H After reset: 00H
Symbol
P3
Address: FF04H After reset: 00H (Output latch) R/W
Symbol
P4
Address: FF0CH After reset: 00H (Output latch) R/W
Symbol
P12
Address: FF0DH After reset: 00H (Output latch) R/W
Symbol
P13
Note Because P34 is read-only, its reset value is undefined.
(3) Port mode control register 2 (PMC2)
This register specifies the port mode or A/D converter mode.
Each bit of the PMC2 register corresponds to each pin of port 2 and can be specified in 1-bit units.
PMC2 is set by using a 1-bit or 8-bit memory manipulation instruction.
Reset signal generation sets PMC2 to 00H.
Pmn
7
0
7
0
7
0
7
0
7
0
0
1
Output 0
Output 1
Controls of output data (in output mode)
6
0
6
0
6
0
6
0
6
0
Note
(Output latch) R/W
Figure 4-14. Format of Port Register
P45
5
0
5
0
5
5
0
5
0
CHAPTER 4 PORT FUNCTIONS
User’s Manual U16898EJ5V0UD
Note
P34
P44
4
0
4
4
4
0
4
0
m = 2, 3, 4, 12, or 13; n = 0-5
P123
P23
P43
3
3
0
3
3
3
0
Input low level
Input high level
Input data read (in input mode)
P122
P22
P42
2
2
0
2
2
2
0
P121
P21
P31
P41
1
1
1
1
1
0
P130
P20
P30
P40
0
0
0
0
0
0