µPD31172
(2/2)
Signal Name
PPON (1:2)
External Processing
Drive Capacity
40 pF
−
Tolerance
3 V
3 V
3 V
3 V
3 V
3 V
3 V
3 V
3 V
3 V
3 V
3 V
3 V
3 V
3 V
3 V
3 V
3 V
3 V
3 V
3 V
3 V
3 V
3 V
3 V
5 V
5 V
3 V
3 V
3 V
3 V
−
OCI (1:2)
IEN
−
−
−
WAKE
−
40 pF
40 pF
−
SMI#
−
USBRST#
CD (0:7)
STROBE#
ACK#
−
−
40 pF
40 pF
40 pF
40 pF
40 pF
40 pF
40 pF
40 pF
40 pF
40 pF
40 pF
−
Pull up
Pull up
BUSY
Pull down
PE
Pull down
SELECT
AUTOFEED#
SELECTIN#
ERROR#
INIT#
Pull down
Pull up
Pull up
Pull up
Pull up
DIR1284
RXD
−
−
CTS#
−
−
DSR#
−
−
TXD
−
40 pF
40 pF
40 pF
−
RTS#
−
DTR#
−
DCD#
−
RI#
−
−
PS2CLK
PS2DATA
GPIO (0:23)
EXCS (0:5)#
LCDBAK
CLKOUT48M
Pull up
40 pF
40 pF
40 pF
40 pF
40 pF
40 pF
Pull up
Pull up/pull down
−
−
−
Remark There is no need to perform external processing if no particular external processing has been specified (−).
14
Data Sheet U14388EJ2V0DS00
NEC [ NEC ]
