參數(shù)資料
型號: HD40C4389
廠商: Hitachi,Ltd.
英文描述: Low-Voltage AS Microcomputers with On-Chip A/D Converter(帶片上A/D轉(zhuǎn)換器的低壓微計算機)
中文描述: 低電壓如同在微機芯片的A / D轉(zhuǎn)換器(帶片上的A / D轉(zhuǎn)換器的低壓微計算機)
文件頁數(shù): 86/162頁
文件大小: 482K
代理商: HD40C4389
HD404374/HD404384/HD404389/HD404082/HD404084 Series
86
Timer C Registers
Timer C operation setting and timer C value reading/writing is controlled by the following registers.
Timer mode register C1 (TMC1: $014)
Timer mode register C2 (TMC2: $015)
Timer write register C (TWCL: $016, TWCU: $017)
Timer read register C (TRCL: $016, TRCU: $017)
Port mode register 3 (PMR3: $00B)
Module standby register 1 (MSR1: $00D)
Timer mode register C1 (TMC1: $014):
Timer mode register C1 (TMC1) is a 4-bit write-only register, used to select free-running/reload timer
operation, the input clock, and the prescaler division ratio as shown in figure 45.
Timer mode register C1 (TMC1) is reset to $0 by an MCU reset.
A modification of timer mode register C1 (TMC1) becomes effective after execution of two instructions
following the timer mode register C1 (TMC1) write instruction. The program must provide for timer C
initialization by writing to timer write register C (TWCL, TWCU) to be executed after the post-
modification mode has become effective.
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