參數(shù)資料
型號: S1C63653F
元件分類: 微控制器/微處理器
英文描述: 4-BIT, FLASH, 4 MHz, MICROCONTROLLER, CQFP100
封裝: CERAMIC, QFP15-100
文件頁數(shù): 102/121頁
文件大?。?/td> 1127K
代理商: S1C63653F
S1C63653 TECHNICAL MANUAL
EPSON
73
CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (Programmable Timer)
PTRST0: Timer 0 reset (reload) (FFC3HD1)
PTRST1: Timer 1 reset (reload) (FFC4HD1)
Resets the timer and presets reload data to the counter.
When "1" is written: Reset
When "0" is written: No operation
Reading: Always "0"
By writing "1" to PTRSTx, the reload data in the reload register RLDx0–RLDx7 is preset to the counter in
timer x. When the counter is preset in the RUN status, the counter restarts immediately after presetting.
In the case of STOP status, the reload data is preset to the counter and is maintained.
No operation results when "0" is written.
Since these bits are exclusively for writing, always set to "0" during reading.
PTRUN0: Timer 0 RUN/STOP control register (FFC3HD0)
PTRUN1: Timer 1 RUN/STOP control register (FFC4HD0)
Controls the RUN/STOP of the counter.
When "1" is written: RUN
When "0" is written: STOP
Reading: Valid
The counter in timer x starts counting down by writing "1" to the PTRUNx register and stops by writing
"0". In STOP status, the counter data is maintained until the counter is reset or is set in the next RUN
status. When STOP status changes to RUN status, the data that has been maintained can be used for
resuming the count.
At initial reset, these registers are set to "0".
CHSEL0: TOUT output channel selection register (FFC1HD1)
Selects the channel used for TOUT signal output.
When "1" is written: Timer 1
When "0" is written: Timer 0
Reading: Valid
This register selects which timer's output (timer 0 or timer 1) is used to generate a TOUT signal. When "0"
is written to the CHSEL0 register, timer 0 is selected and when "1" is written, timer 1 is selected. In the 16-
bit mode (MOD16 = "1"), timer 1 is always selected regardless of this register setting.
At initial reset, this register is set to "0".
PTOUT: TOUT output control register (FFC1HD0)
Turns TOUT signal output on and off.
When "1" is written: On
When "0" is written: Off
Reading: Valid
PTOUT is the output control register for the TOUT signal. When "1" is written to the register, the TOUT
signal is output from the output port terminal R02 and when "0" is written, the terminal goes to a high
(VDD) level. However, the data register R02 must always be "1" and the high impedance control register
R02HIZ must always be "0" (data output state).
At initial reset, this register is set to "0".
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