參數(shù)資料
型號: 8XC196LX
英文描述: 8XC196Lx - 8XC196Lx Supplement to 8X196Kx. 8X196Jx. 87C196CA User's Manual
中文描述: 8XC196Lx - 8XC196Lx補編8X196Kx。 8X196Jx。 87C196CA用戶手冊
文件頁數(shù): 117/136頁
文件大小: 659K
代理商: 8XC196LX
A-9
SIGNAL DESCRIPTIONS
Table A-6. 83C196LD Default Signal Conditions
Port
Signals
Alternate
Functions
During RESET#
Active
Upon RESET#
Inactive
(Note 6)
Idle
Power-
down
P0.7:2
P1.0
P1.1
P1.2
P1.3
P2.0
P2.1
P2.2
P2.4
P2.6
P2.7
EPA0/T2CLK
EPA1
EPA2/T2DIR
EPA3
TXD
RXD
EXTINT
ONCE
CLKOUT
HiZ
WK1
WK1
WK1
WK1
WK1
WK1
WK1
WK1
MD1
HiZ
WK1
WK1
WK1
WK1
WK1
WK1
WK1
WK1
MD1
HiZ
HiZ
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 2)
CLKOUT active,
LoZ0/1
WK1
WK1
WK1
WK1
WK1
WK1
WK1
WK1
WK1
WK1
WK1
WK1 (Note 5)
LoZ0
HiZ
CLKOUT active,
LoZ0/1
HiZ
HiZ
WK1
WK1
WK1
WK1
WK1
WK1
WK1
WK1
WK1
WK1
MD1
HiZ
P3.7:0
P4.7:0
P5.0
P5.2
P5.3
P6.0
P6.1
P6.4
P6.5
P6.6
P6.7
AD7:0
AD15:8
ALE/ADV#
WR#/WRL#
RD#
EPA8
EPA9
SC0
SD0
SC1
SD1
EA#
RESET#
V
PP
XTAL1
(Note 4)
(Note 4)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
WK1
MD1
LoZ1
Osc input,
HiZ
Osc output,
LoZ0/1
(Note 4)
(Note 4)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
WK1
MD1
LoZ1
Osc input,
HiZ
(Note 3)
Osc input, HiZ
Osc input, HiZ
XTAL2
Osc output,
LoZ0/1
Osc output,
LoZ0/1
NOTES:
1.
If P
x
_MODE.
y
= 0, port is as programmed.
If P
x
_MODE.
y
= 1, pin is as specified by P
x
_DIR and the associated peripheral.
2.
If P2_MODE.7 = 0, pin is as programmed. If P2_MODE.7 = 1, pin is LoZ0.
3.
If XTAL1 = 0, pin is LoZ1. If XTAL1 = 1, pin is LoZ0.
4.
If EA# = 0, port is HiZ. If EA# = 1, port is open-drain I/O.
5.
Although EA# is weakly pulled high, do not allow it to float. Always tie EA# to V
CC
if it is not connected
to an external device.
6.
The values in this column are valid until your software writes to P
x
_MODE.
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