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AMD Am79C930 User Manual

Page 18

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18 Am79C930

P R E L I M I N A R Y

PCMCIA PIN FUNCTION SUMMARY (continued)

PCMCIA Pin Summary (continued)

Output Driver Types

Input Types

No. of

Pins Pin Name Pin Function Pin Style

2 ADIN1–2 Comparator—A/D comparator inputs TS1

12 V

CC

Power I

13 GND Ground I

7 USER0–USER6

User-definable I/O pins with direct accessibility and control through TCR and
TIR registers

PTS3, PTS1

Name Type I

OL

I

OH

Load

TP1 Totem pole 4 mA –4 mA 50 pF

TS1 Tri-state 4 mA –4 mA 50 pF

TS2 Tri-state 24 mA –4 mA 120 pF

PTS1 User-programmable tri-state 4 mA –4 mA 50 pF

PTS2 User-programmable tri-state 12 mA –4 mA 50 pF

PTS3 User-programmable tri-state 24 mA –4 mA 120 pF

OD2 Open drain 24 mA –4 mA 120 pF

XO Xtal amplifier output NA NA 50 pF

Name Type Size of Pullup Size of Pulldown

I Input NA NA

IPU Input with internal pullup device >50K

NA

IPD Input with internal pulldown device NA >50K