參數資料
型號: S1C621A0F0A0100
元件分類: 微控制器/微處理器
英文描述: MICROCONTROLLER, PQFP80
封裝: QFP-80
文件頁數: 115/161頁
文件大?。?/td> 1037K
代理商: S1C621A0F0A0100
I-32
EPSON
S1C621A0 TECHNICAL HARDWARE
CHAPTER 3: PERIPHERAL CIRCUITS (Timer)
ETI32: Interrupt mask register (Timer 32 Hz)
D0 = 0
Disable a 32 Hz interrupt request
D0 = 1
Enable a 32 Hz interrupt request
ETI8: Interrupt mask register (Timer 8 Hz)
D1 = 0
Disable a 8 Hz interrupt request
D1 = 1
Enable a 8 Hz interrupt request
ETI2: Interrupt mask register (Timer 2 Hz)
D2 = 0
Disable a 2 Hz interrupt request
D2 = 1
Enable a 2 Hz interrupt request
TMRUN: Timer circuit control
D3 = 0
Reset state (Clear and stop)
D3 = 1
Increment state (run)
TM03–TM00: Timer data (low-order)
TM00
128 Hz
TM01
64 Hz
TM02
32 Hz
TM03
16 Hz
TM13–TM10: Timer data (high-order)
TM10
8 Hz
TM11
4 Hz
TM12
2 Hz
TM13
1 Hz
Timer data
The timer is an 8-bit binary counter. Software can read
signals of 128 Hz to 1 Hz from the timer. The four bits of
128 Hz to 16 Hz are read through the data memory at ad-
dress 0F4H, and the four bits of 8 Hz to 1 Hz through the
data memory at address 0F5H. Figure 3.8.1 shows the
timer timing chart.
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