UPD78F9222MC(T)-5A4-A NEC, UPD78F9222MC(T)-5A4-A Datasheet - Page 9

• 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

CHAPTER 4 PORT FUNCTIONS........................................................................................................... 50
CHAPTER 5 CLOCK GENERATORS................................................................................................... 68
CHAPTER 6 16-BIT TIMER/EVENT COUNTER 00............................................................................. 84
CHAPTER 7 8-BIT TIMER 80..............................................................................................................125
4.1
4.2
4.3
4.4
5.1
5.2
5.3
5.4
5.5
5.6
6.1
6.2
6.3
6.4
6.5
7.1
7.2
7.3
7.4
3.4.7
Functions of Ports ..................................................................................................................... 50
Port Configuration ..................................................................................................................... 51
4.2.1
4.2.2
4.2.3
4.2.4
4.2.5
Registers Controlling Port Functions...................................................................................... 62
Operation of Port Function ....................................................................................................... 67
4.4.1
4.4.2
4.4.3
Functions of Clock Generators ................................................................................................ 68
5.1.1
5.1.2
Configuration of Clock Generators.......................................................................................... 69
Registers Controlling Clock Generators ................................................................................. 71
System Clock Oscillators.......................................................................................................... 74
5.4.1
5.4.2
5.4.3
5.4.4
Operation of CPU Clock Generator.......................................................................................... 77
Operation of Clock Generator Supplying Clock to Peripheral Hardware ............................ 82
Functions of 16-bit Timer/Event Counter 00 ........................................................................... 84
Configuration of 16-bit Timer/Event Counter 00..................................................................... 85
Registers to Control 16-bit Timer/Event Counter 00 .............................................................. 89
Operation of 16-bit Timer/Event Counter 00 ........................................................................... 95
6.4.1
6.4.2
6.4.3
6.4.4
6.4.5
6.4.6
Cautions Related to 16-bit Timer/Event Counter 00.............................................................118
Function of 8-bit Timer 80 .......................................................................................................125
Configuration of 8-bit Timer 80 ..............................................................................................126
Register Controlling 8-bit Timer 80........................................................................................128
Operation of 8-bit Timer 80 .....................................................................................................129
Stack addressing......................................................................................................................... 49
Port 2........................................................................................................................................... 52
Port 3........................................................................................................................................... 53
Port 4........................................................................................................................................... 55
Port 12......................................................................................................................................... 60
Port 13......................................................................................................................................... 62
Writing to I/O port ........................................................................................................................ 67
Reading from I/O port.................................................................................................................. 67
Operations on I/O port................................................................................................................. 67
System clock oscillators .............................................................................................................. 68
Clock oscillator for interval time generation ................................................................................. 68
High-speed internal oscillator ...................................................................................................... 74
Crystal/ceramic oscillator ............................................................................................................ 74
External clock input circuit ........................................................................................................... 76
Prescaler ..................................................................................................................................... 76
Interval timer operation................................................................................................................ 95
External event counter operation................................................................................................. 97
Pulse width measurement operations ....................................................................................... 100
Square-wave output operation .................................................................................................. 108
PPG output operations .............................................................................................................. 110
One-shot pulse output operation ............................................................................................... 113
User’s Manual U16898EJ5V0UD
9