參數(shù)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(shù): 114/161頁
文件大?。?/td> 1037K
代理商: S1C621A0F0A0100
S1C621A0 TECHNICAL HARDWARE
EPSON
I-31
CHAPTER 3: PERIPHERAL CIRCUITS (Timer)
3.8 Timer
The S1C621A0 has a built-in timer using the OSC1 clock as
its source oscillation frequency. The timer can be controlled
by the data memory at addresses from 0F3H to 0F5H.
The information given in this section is based on fOSC1 =
32.768 kHz. For a system which uses an oscillator having
any other frequency at OSC1, substitute the appropriate
value for 32.768 kHz throughout this section.
Timer memory map
Table 3.8.1 I/O Memory Map
Note: Init = value at initial reset, x = undefined, – = not set on the circuit
Address
Comment
Register
D3
D2
D1
D0
Name
Init
1
0
0F1H
0F3H
WDRST
TI2
TI8
TI32
TMRUN
ETI2
ETI8
ETI32
R/W
R
WDRST
TI2
TI8
TI32
Clear
0
Watchdog timer reset
Interrupt factor flag (Timer 2 Hz)
Clear to 0 after read
Interrupt factor flag (Timer 8 Hz)
Clear to 0 after read
Interrupt factor flag (Timer 32 Hz)
Clear to 0 after read
TMRUN
ETI2
ETI8
ETI32
0
Run
Enable
Mask
Clear
Yes
No
Timer Run/Clear & Stop
Interrupt mask register (Timer 2 Hz)
Interrupt mask register (Timer 8 Hz)
Interrupt mask register (Timer 32 Hz)
W
Clear
&
Stop
0F4H
0F5H
TM03
TM02
TM01
TM00
TM13
TM12
TM11
TM10
R
TM03
TM02
TM01
TM00
0
TM13
TM12
TM11
TM10
0
Timer data (High-order)
1 Hz
Timer data (High-order)
2 Hz
Timer data (High-order)
4 Hz
Timer data (High-order)
8 Hz
Timer data (low-order)
16 Hz
Timer data (low-order)
32 Hz
Timer data (low-order)
64 Hz
Timer data (low-order)
128 Hz
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