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參數(shù)資料
| 型號(hào)： | DS80CH11 |
| 廠商： | DALLAS SEMICONDUCTOR |
| 元件分類： | Microcontroller |
| 英文描述： | 8-BIT, MICROCONTROLLER, PQFP128 |
| 封裝： | TQFP-128 |
| 文件頁數(shù)： | 10/88頁 |
| 文件大小： | 598K |
| 代理商： | DS80CH11 |
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DS80CH11
011200 18/88
2.2 PIN CHARACTERISTICS (cont’d)
PIN
NAME
POWER DOWN
MODE STATE
I/O BUFFER TYPE
RESET
STATE
101
VPFW
(note 3)
O
(note 3)
44
VRH
–
45
VRL
–
102
VRST
(note 3)
O
(note 3)
118
XTAL1
–
I
–
119
XTAL2
H
O
–
PIN STATE DESCRIPTIONS
High–Z
High Impedance
Enabled
Power applied; electrically functioning input
Unchanged
Previous state not affected
NOTES:
1. As shown above, the original port pins P1.7–P1.2 have been modified to open–drain instead of having “Internal”
pull–up resistors.
2. This signal is independently powered from the HVCC on pin 68. As a result, the state of the reset pin and the power
down mode have no effect on its operation.
3. VRST and VPFW reflects the state of VCC with respect to the power–fail reset and power–fail warning trip points,
respectively, and is unaffected by the RST pin and power down mode state.
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