AT&T 3B2/300 Technical Reference Manual page 635

- - - - - - - - - - - - - - - - - Appendix: CONNECTOR AND CABLING INFORMATION
72-PIN CM191 AND CM192 MEMORY CARD EDGE CONNECTIONS
PIN DESCRIPTION FUNCTION
001 GROUND (GRD)
GROUND
002 +5v (VCC)
POWER
003
MULTIPLEXED ADDRESS BIT 7 (MUXA7[1]) INPUT
004 MULTIPLEXED ADDRESS BIT O (MUXAO[l]) INPUT
005
MULTIPLEXED ADDRESS BIT 6 (MUXA6[1]) INPUT
006
MULTIPLEXED ADDRESS BIT 1 (MUXAl[l]) INPUT
007 MULTIPLEXED ADDRESS BIT 5 (MUXA5[1]) INPUT
008 GROUND (GRD) GROUND
009
MULTIPLEXED ADDRESS BIT 4 (MUXA4[1]) INPUT
010 MULTIPLEXED ADDRESS BIT 2 (MUXA2[1]) INPUT
011 NOT USED for CM191A NC
MULTIPLEXED ADDRESS BIT 8 (MUXA8[1]) for CM191B/C/D and CM192A/B
INPUT
012
MULTIPLEXED ADDRESS BIT 3 (MUXA3[1]) INPUT
013
GROUND (GRD) GROUND
014 NOT USED for CM191A NC
MULTIPLEXED ADDRESS BIT 9 (MUXA9[1]) for CM191B/C/D and CM192A/B INPUT
015 WRITE ENABLE (WE[O])
INPUT
016 ROW ADDRESS STROBE (RAS[O]) INPUT
017 BANK ENABLE O (BANKENO[O]) INPUT
018 NOT USED for CM191A/B/C
NC
BANK ENABLE 1 (BANKENl[O]) for CM191D and CM192A/B INPUT
019 ONEBANK[O] for CM191A/B/C GROUND
ONEBANK[O] for CM191D and CM192A/B VCC
020
COLUMN ADDRESS STROBE 2 (CAS2[0]) INPUT
021 COLUMN ADDRESS STROBE O (CASO[O]) INPUT
022 COLUMN ADDRESS STROBE 3 (CAS3[0]) INPUT
023 GROUND (GRD) GROUND
024 SIZE64K[O] for CM191A/B/C GROUND
SIZE64K[O] for CM191D and CM192A/B VCC
025 COLUMN ADDRESS STROBE 1 (CASl[O])
INPUT
026 MEMORY DATA BIT 31 (MD31[1]) INPUT /OUTPUT
027
MEMORY DAT A BIT 30 (MD30[1])
INPUT /OUTPUT
028 GROUND (GRD) GROUND
029 MEMORY DATA BIT 28 (MD28[1]) INPUT /OUTPUT
030 MEMORY DATA BIT 29 (MD29[1]) INPUT/OUTPUT
031 MEMORY DAT A BIT 26 (MD26[1]) INPUT /OUTPUT
032 MEMORY DATA BIT 27 (MD27[1]) INPUT/OUTPUT
033 GROUND (GRD) GROUND
CONNECTOR AND CABLING INFORMATION B-53