
6
MN5521
For Information Equipment
Pin Descriptions (continued)
The P column gives the corresponding power supply group number;
the T column, the I/O direction: I/O = bidirectional, I = input, O = output, Tri = tristate,
IS = Schmidt input, OD = open drain.
Pin No.
Symbol
Pin Type
Function Description
PT
PCMCIA interface (continued)
173
NREGB
3
Tri
Attribute memory space select signal to PC card in card slot B
(In single-slot mode, this is the card address signal CAD09.)
175
NCE1B
Card enable signal 1 to PC card in card slot B
(In single-slot mode, this is the card address signal CAD10.)
176
NCE2B
Card enable signal 2 to PC card in card slot B
(In single-slot mode, this is the card address signal CAD11.)
178 to 181
CAD12 to 15
PC card address signals to card slots
183 to 187
CAD16 to 20
189
CAD21
191 to 194
CAD22 to 25
195
VPP1EN1B
O
PC card power supply control signal to card slot B
(In single-slot mode, this is the card address signal CAD01,
with tristate output.)
196
VPP1EN0B
PC card power supply control signal to card slot B
(In single-slot mode, this is the card address signal CAD00,
with tristate output.)
198
VPP2EN1B
PC card power supply control signal to card slot B
(In single-slot mode, this is the card address signal CAD03,
with tristate output.)
199
VPP2EN0B
PC card power supply control signal to card slot B
(In single-slot mode, this is the card address signal CAD02,
with tristate output.)
200
PWRENB
PC card power supply enable signal to card slot B (In single-slot
mode, this is the INDCA signal, with tristate output.)
201
VPP1EN1A
PC card power supply control signal to card slot A
VPP1EN0A
PC card power supply control signal to card slot A
203
VPP2EN1A
PC card power supply control signal to card slot A
204
VPP2EN0A
PC card power supply control signal to card slot A
205
PWRENA
PC card power supply enable signal to card slot A
207
NCD2A
1
IS
PC card insertion state detection signal input 2 for card slot A
208
NCD2B
PC card insertion state detection signal input 2 for card slot B