µPD31172
(2/2)
Signal Name
After Reset
When HOLDAK# = 1
Normal operation
−
SMI#
1
−
USBRST#
CD (0:7)
STROBE#
ACK#
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
0
Normal operation
Normal operation
Normal operation
Normal operation
Normal operation
Normal operation
Normal operation
Normal operation
Normal operation
Normal operation
Normal operation
−
BUSY
PE
SELECT
AUTOFEED#
SELECTIN#
ERROR#
INIT#
DIR1284
RXD
−
CTS#
−
−
DSR#
−
−
TXD
1
Normal operation
Normal operation
Normal operation
−
RTS#
1
DTR#
1
DCD#
−
RI#
−
−
PS2CLK
PS2DATA
GPIO (0:23)
EXCS (0:5)#
LCDBAK
CLKOUT48M
0
Normal operation
Normal operation
Normal operation
Normal operation
Normal operation
Normal operation
Hi-Z
Hi-Z
1
0
1
Remark 0: Low level, 1: High level, Hi-Z: High impedance
12
Data Sheet U14388EJ2V0DS00
NEC [ NEC ]
