参数资料
型号: DS80CH11
厂商: DALLAS SEMICONDUCTOR
元件分类: Microcontroller
英文描述: 8-BIT, MICROCONTROLLER, PQFP128
封装: TQFP-128
文件页数: 10/88页
文件大小: 598K
代理商: DS80CH11
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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