参数资料
型号: UPD78F9502MA-CAC-A
厂商: Renesas Electronics America
文件页数: 13/158页
文件大小: 0K
描述: MCU 8BIT SGL CHIP
标准包装: 400
系列: 78K0S/Kx1+
核心处理器: 78K0S
芯体尺寸: 8-位
速度: 10MHz
外围设备: LVD,POR,PWM,WDT
输入/输出数: 7
程序存储器容量: 4KB(4K x 8)
程序存储器类型: 闪存
RAM 容量: 128 x 8
电压 - 电源 (Vcc/Vdd): 2 V ~ 5.5 V
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 10-LSSOP(0.225",5.72mm 宽)
包装: 托盘
User’s Manual U18172EJ3V0UD
9
3.3.4 Register addressing .......................................................................................................................... 46
3.4 Operand Address Addressing .................................................................................................... 47
3.4.1 Direct addressing .............................................................................................................................. 47
3.4.2 Short direct addressing ..................................................................................................................... 48
3.4.3 Special function register (SFR) addressing ....................................................................................... 49
3.4.4 Register addressing .......................................................................................................................... 50
3.4.5 Register indirect addressing.............................................................................................................. 51
3.4.6 Based addressing ............................................................................................................................. 52
3.4.7 Stack addressing............................................................................................................................... 53
CHAPTER 4 PORT FUNCTIONS........................................................................................................... 54
4.1 Functions of Ports........................................................................................................................ 54
4.2 Port Configuration........................................................................................................................ 55
4.2.1 Port 2 ................................................................................................................................................ 56
4.2.2 Port 3 ................................................................................................................................................ 64
4.2.3 Port 4 ................................................................................................................................................ 66
4.3 Registers Controlling Port Functions ........................................................................................ 66
4.4 Operation of Port Function.......................................................................................................... 71
4.4.1 Writing to I/O port .............................................................................................................................. 71
4.4.2 Reading from I/O port........................................................................................................................ 71
4.4.3 Operations on I/O port....................................................................................................................... 71
CHAPTER 5 CLOCK GENERATORS................................................................................................... 72
5.1 Functions of Clock Generators................................................................................................... 72
5.1.1 System clock oscillators .................................................................................................................... 72
5.1.2 Clock oscillator for interval time generation....................................................................................... 72
5.2 Configuration of Clock Generators ............................................................................................ 73
5.3 Registers Controlling Clock Generators.................................................................................... 76
5.4 System Clock Oscillators ............................................................................................................ 79
5.4.1 High-speed internal oscillator ............................................................................................................ 79
5.4.2 Crystal/ceramic oscillator (
μPD78F920x only)................................................................................... 79
5.4.3 External clock input circuit................................................................................................................. 81
5.4.4 Prescaler ........................................................................................................................................... 81
5.5 Operation of CPU Clock Generator ............................................................................................ 82
5.6 Operation of Clock Generator Supplying Clock to Peripheral Hardware............................... 88
CHAPTER 6 16-BIT TIMER/EVENT COUNTER 00 (
μPD78F920x ONLY).........................................90
6.1 Functions of 16-Bit Timer/Event Counter 00 ............................................................................. 90
6.2 Configuration of 16-Bit Timer/Event Counter 00....................................................................... 91
6.3 Registers to Control 16-Bit Timer/Event Counter 00 ................................................................ 95
6.4 Operation of 16-Bit Timer/Event Counter 00 ........................................................................... 101
6.4.1 Interval timer operation ................................................................................................................... 101
6.4.2 External event counter operation .................................................................................................... 103
6.4.3 Pulse width measurement operations ............................................................................................. 106
6.4.4 Square-wave output operation ........................................................................................................ 114
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