參數(shù)資料
型號: UPD31172
廠商: NEC Corp.
英文描述: VRC4172TM COMPANION CHIP FOR VR4121TM
中文描述: VRC4172TM伴侶芯片VR4121TM
文件頁數(shù): 12/44頁
文件大?。?/td> 278K
代理商: UPD31172
Data Sheet U14388EJ2V0DS00
12
μ
PD31172
(2/2)
Signal Name
After Reset
When HOLDAK# = 1
SMI#
1
Normal operation
USBRST#
CD (0:7)
Hi-Z
Normal operation
STROBE#
Hi-Z
Normal operation
ACK#
Hi-Z
Normal operation
BUSY
Hi-Z
Normal operation
PE
Hi-Z
Normal operation
SELECT
Hi-Z
Normal operation
AUTOFEED#
Hi-Z
Normal operation
SELECTIN#
Hi-Z
Normal operation
ERROR#
Hi-Z
Normal operation
INIT#
Hi-Z
Normal operation
DIR1284
0
Normal operation
RXD
CTS#
DSR#
TXD
1
Normal operation
RTS#
1
Normal operation
DTR#
1
Normal operation
DCD#
RI#
PS2CLK
0
Normal operation
PS2DATA
Hi-Z
Normal operation
GPIO (0:23)
Hi-Z
Normal operation
EXCS (0:5)#
1
Normal operation
LCDBAK
0
Normal operation
CLKOUT48M
1
Normal operation
Remark
0: Low level, 1: High level, Hi-Z: High impedance
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