参数资料
型号: UPD78F9221CS-CAC-A
厂商: Renesas Electronics America
文件页数: 31/125页
文件大小: 0K
描述: MCU 8BIT 2KB FLASH 20PIN
标准包装: 400
系列: 78K0S/Kx1+
核心处理器: 78K0S
芯体尺寸: 8-位
速度: 10MHz
连通性: LIN,UART/USART
外围设备: LVD,POR,PWM,WDT
输入/输出数: 15
程序存储器容量: 2KB(2K 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
数据转换器: A/D 4x10b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 20-DIP(0.300",7.62mm)
包装: 托盘
User’s Manual U16898EJ6V0UD
11
12.3 Interrupt Function Control Registers..................................................................................... 223
12.4 Interrupt Servicing Operation ................................................................................................. 228
12.4.1
Maskable interrupt request acknowledgment operation ............................................................ 228
12.4.2
Multiple interrupt servicing......................................................................................................... 230
12.4.3
Interrupt request pending .......................................................................................................... 232
CHAPTER 13 STANDBY FUNCTION.................................................................................................. 233
13.1 Standby Function and Configuration .................................................................................... 233
13.1.1
Standby function........................................................................................................................ 233
13.1.2
Registers used during standby .................................................................................................. 235
13.2 Standby Function Operation .................................................................................................. 236
13.2.1
HALT mode ............................................................................................................................... 236
13.2.2
STOP mode .............................................................................................................................. 239
CHAPTER 14 RESET FUNCTION ....................................................................................................... 243
14.1 Register for Confirming Reset Source .................................................................................. 250
CHAPTER 15 POWER-ON-CLEAR CIRCUIT ..................................................................................... 251
15.1 Functions of Power-on-Clear Circuit ..................................................................................... 251
15.2 Configuration of Power-on-Clear Circuit............................................................................... 252
15.3 Operation of Power-on-Clear Circuit ..................................................................................... 252
15.4 Cautions for Power-on-Clear Circuit...................................................................................... 253
CHAPTER 16 LOW-VOLTAGE DETECTOR ....................................................................................... 255
16.1 Functions of Low-Voltage Detector ....................................................................................... 255
16.2 Configuration of Low-Voltage Detector................................................................................. 255
16.3 Registers Controlling Low-Voltage Detector ........................................................................ 256
16.4 Operation of Low-Voltage Detector ....................................................................................... 258
16.5 Cautions for Low-Voltage Detector........................................................................................ 262
CHAPTER 17 OPTION BYTE ............................................................................................................... 265
17.1 Functions of Option Byte ........................................................................................................ 265
17.2 Format of Option Byte ............................................................................................................. 266
17.3 Caution When the RESET Pin Is Used as an Input-Only Port Pin (P34)............................. 267
CHAPTER 18 FLASH MEMORY.......................................................................................................... 268
18.1 Features .................................................................................................................................... 268
18.2 Memory Configuration............................................................................................................. 269
18.3 Functional Outline ................................................................................................................... 270
18.4 Writing with Flash Memory Programmer............................................................................... 271
18.5 Programming Environment..................................................................................................... 272
18.6 Pin Connection on Board........................................................................................................ 274
18.6.1
X1 and X2 pins .......................................................................................................................... 274
18.6.2
RESET pin ................................................................................................................................ 275
18.6.3
Port pins .................................................................................................................................... 276
18.6.4
Power supply............................................................................................................................. 276
18.7 On-Board and Off-Board Flash Memory Programming ....................................................... 277
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