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參數(shù)資料
| 型號： | S1C60N08F0A0100 |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | MICROCONTROLLER, PQFP100 |
| 封裝： | PLASTIC, QFP-100 |
| 文件頁數(shù)： | 106/145頁 |
| 文件大?。?/td> | 1118K |
| 代理商： | S1C60N08F0A0100 |
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S1C60N08 TECHNICAL HARDWARE
EPSON
I-51
CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (Clock Timer)
4.9.3 Control of clock timer
Table 4.9.3.1 shows the clock timer control bits and their addresses.
Table 4.9.3.1 Control bits of clock timer
Address
Comment
D3
D2
Register
D1
D0
Name
Init 1
10
2E0H
TM3
TM2
TM1
TM0
R
TM3
TM2
TM1
TM0
0
Clock timer data (2 Hz)
Clock timer data (4 Hz)
Clock timer data (8 Hz)
Clock timer data (16 Hz)
2E8H
CSDC
ETI2
ETI8
ETI32
R/W
CSDC
ETI2
ETI8
ETI32
0
Static
Enable
Dynamic
Mask
LCD drive switch
Interrupt mask register (clock timer 2 Hz)
Interrupt mask register (clock timer 8 Hz)
Interrupt mask register (clock timer 32 Hz)
2E9H
0
TI2
TI8
TI32
R
0 3
TI2 4
TI8 4
TI32 4
– 2
0
–
Yes
–
No
Unused
Interrupt factor flag (clock timer 2 Hz)
Interrupt factor flag (clock timer 8 Hz)
Interrupt factor flag (clock timer 32 Hz)
1
2
Initial value at initial reset
Not set in the circuit
3
4
Always "0" being read
Reset (0) immediately after being read
5 Undefined
2EEH
TMRST SWRUN SWRST
IOC0
WR/W
TMRST3
SWRUN
SWRST3
IOC0
Reset
0
Reset
0
Reset
Run
Reset
Output
–
Stop
–
Input
Clock timer reset
Stopwatch timer Run/Stop
Stopwatch timer reset
I/O control register 0 (P00–P03)
TM0–TM3: Timer data (2E0H)
The 16 Hz–2 Hz timer data of the clock timer can be read out with this register. These four bits are read-
out only, and writing operations are invalid.
At initial reset, the timer data is initialized to "0H".
ETI32, ETI8, ETI2: Interrupt mask registers (2E8HD0–D2)
These registers are used to select whether to mask the clock timer interrupt.
When "1" is written : Enabled
When "0" is written : Masked
Read-out : Valid
The interrupt mask registers (ETI32, ETI8, ETI2) are used to select whether to mask the interrupt to the
separate frequencies (32 Hz, 8 Hz, 2 Hz).
Writing to the interrupt mask registers can be done only in the DI status (interrupt flag = "0").
At initial reset, these registers are all set to "0".
TI32, TI8, TI2: Interrupt factor flags (2E9HD0–D2)
These flags indicate the status of the clock timer interrupt.
When "1" is read out : Interrupt has occurred
When "0" is read out : Interrupt has not occurred
Writing : Invalid
The interrupt factor flags (TI32, TI8, TI2) correspond to the clock timer interrupts of the respective
frequencies (32 Hz, 8 Hz, 2 Hz). The software can judge from these flags whether there is a clock timer
interrupt. However, even if the interrupt is masked, the flags are set to "1" at the falling edge of the signal.
These flags can be reset through being read out by the software. Also, the flags can be read out only in the
DI status (interrupt flag = "0").
At initial reset, these flags are set to "0".
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