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參數資料
| 型號： | W79E201A16PN |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT MICROCONTROLLER |
| 中文描述： | 8-BIT, FLASH, 16 MHz, MICROCONTROLLER, PQCC44 |
| 封裝： | ROHS COMPLIANT, PLASTIC, LCC-44 |
| 文件頁數： | 14/87頁 |
| 文件大小： | 818K |
| 代理商： | W79E201A16PN |
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W79E201
- 14 -
Continued
BIT
NAME
FUNCTION
4
T1M
Timer 1 clock select:
When T1M is set to 1, timer 1 uses a divide by 4 clock, and when set to 0 it uses a
divide by 12 clock.
3
T0M
Timer 0 clock select:
When T0M is set to 1, timer 0 uses a divide by 4 clock, and When set to 0 it uses a
divide by 12 clock.
2
MD2
Stretch MOVX select bit 2:
These three bits are used to select the stretch value for the MOVX instruction. Using
a variable MOVX length enables the user to access slower external memory devices
or peripherals without the need for external circuits. The
RD
or
WR
strobe will be
stretched by the selected interval. When accessing the on-chip SRAM, the MOVX
instruction is always in 2 machine cycles regardless of the stretch setting. By
default, the stretch has value of 1. If the user needs faster accessing, then a stretch
value of 0 should be selected.
1
MD1
Stretch MOVX select bit 1:
These three bits are used to select the stretch value for the MOVX instruction. Using
a variable MOVX length enables the user to access slower external memory devices
or peripherals without the need for external circuits. The
RD
or
WR
strobe will be
stretched by the selected interval. When accessing the on-chip SRAM, the MOVX
instruction is always in 2 machine cycles regardless of the stretch setting. By
default, the stretch has value of 1. If the user needs faster accessing, then a stretch
value of 0 should be selected.
0
MD0
Stretch MOVX select bit 0:
These three bits are used to select the stretch value for the MOVX instruction. Using
a variable MOVX length enables the user to access slower external memory devices
or peripherals without the need for external circuits. The
RD
or
WR
strobe will be
stretched by the selected interval. When accessing the on-chip SRAM, the MOVX
instruction is always in 2 machine cycles regardless of the stretch setting. By
default, the stretch has value of 1. If the user needs faster accessing, then a stretch
value of 0 should be selected.
WD1
0
WD0
0
INTERRUPT TIME-OUT
2
17
2
20
2
23
2
26
RESET TIME-OUT
2
17
+ 512
2
20
+ 512
2
23
+ 512
2
26
+ 512
0
1
1
0
1
1
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