参数资料
型号: UPD78F9512GR-JJG-A
厂商: Renesas Electronics America
文件页数: 64/175页
文件大小: 0K
描述: MCU 8BIT SGL CHIP 16PIN
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: 13
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: 16-SSOP(0.173",4.40mm 宽)
包装: 托盘
CHAPTER 8 WATCHDOG TIMER
User’s Manual U16994EJ6V0UD
154
Figure 8-5. Status Transition Diagram When “Low-Speed Internal Oscillator Can Be Stopped by
Software” Is Selected by Option Byte
Reset
WDT clock: fRL
Overflow time: 546.13 ms (MAX.)
WDT clock = fRL
Select overflow time
(settable only once).
WDT clock: fRL
Overflow time: 4.27 ms to 546.13 ms (MAX.)
WDT count continues.
STOP
WDT count stops.
HALT
WDT count stops.
STOP
instruction
HALT instruction
Interrupt
WDTE = “ACH”
Clear WDT counter.
WDT operation stops.
WDCS4 = 1
WDT clock: fX
Overflow time: 2
13/fX to 220/fX
WDT count continues.
WDT clock = fX
Select overflow time
(settable only once).
WDT clock: fRL
WDT count stops.
WDTE = “ACH”
Clear WDT counter.
LSRSTOP = 1
LSRSTOP = 0
STOP
WDT count stops.
HALT
WDT count stops.
STOP
instruction
HALT
instruction
Interrupt
STOP
instruction
Interrupt
HALT
instruction
WDTE = “ACH”
Clear WDT counter.
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