P R E L I M I N A R Y
PCMCIA PIN FUNCTION SUMMARY (continued)
PCMCIA Pin Summary (continued)
No. of
Pins
Pin Name
ADIN1–2
Pin Function
Comparator—A/D comparator inputs
Pin Style
2
TS1
12
13
VCC
Power
I
I
GND
Ground
User-definable I/O pins with direct accessibility and control through TCR and
TIR registers
7
USER0–USER6
PTS3, PTS1
Output Driver Types
Name
Type
IOL
IOH
Load
50 pF
50 pF
120 pF
50 pF
50 pF
120 pF
120 pF
50 pF
TP1
TS1
Totem pole
Tri-state
4 mA
4 mA
24 mA
4 mA
12 mA
24 mA
24 mA
NA
–4 mA
–4 mA
–4 mA
–4 mA
–4 mA
–4 mA
–4 mA
NA
TS2
Tri-state
PTS1
PTS2
PTS3
OD2
XO
User-programmable tri-state
User-programmable tri-state
User-programmable tri-state
Open drain
Xtal amplifier output
Input Types
Name
I
Type
Size of Pullup
Size of Pulldown
Input
NA
>50K Ω
NA
NA
NA
IPU
IPD
Input with internal pullup device
Input with internal pulldown device
>50K Ω
18
Am79C930
AMD [ AMD ]
