PD6710/’22 — ISA-to-PC-Card (PCMCIA) Controllers
Table 3. General-Purpose Strobe / Voltage Sense Pins
Pin Number
PD6722
Pin Name
Description
Qty.
I/O
Pwr. Drive
PD6710
Socket A
Socket B
General-Purpose Strobe: Connect
A_GPSTB to pin 43 and B_GPSTB to
pin 57 on PC Card socket. This pin can
be used with external logic to sense
pins VS1 and VS2 of the socket. It is
only available on the PD6722.1, 2
I-PU/
O-
OC
GPSTB
–
6
7
1
1
1
1
2 mA
N/A
This status input is used to detect 5 V/
3.3 V on PCMCIA pin 57.
5V_DET
7
–
–
I-PU
1. General-purpose strobe controlled by ‘Socket A’ (index 2Eh/2Fh) Extension Control 2 register at extended index 0Bh.
2. General-purpose strobe controlled by ‘Socket B’ (index 6Eh/6Fh) Extension Control 2 register at extended index 0Bh.
Table 4. Power Control Pins
Pin Number
PD6722
Qty
.
Pin Name
Description
I/O
Pwr. Drive
PD6710
Socket A
Socket B
This output is used to enable the socket
12
mA
VPP_VCC
VPP_PGM
V
supply onto the V pin. This pin is
3
2
1
205
1
1
O
O
1
CC
PP
mutually exclusive with VPP_PGM.
This output is used to enable the
programming voltage supply onto the
12
mA
2
204
1
V
pin. This pin is mutually exclusive
PP
with VPP_VCC.
This output is used to enable a 3.3V
12
mA
-VCC_3
-VCC_5
supply onto the V socket. This pin is
5
6
4
5
206
207
1
1
O
O
1
DD
mutually exclusive with -VCC_5.
This output is used to enable a 5V
12
mA
supply onto the V socket. This pin is
1
DD
mutually exclusive with -VCC_3.
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Datasheet