Specifications

18 Élan™SC310 Microcontroller Data Sheet
PRELIMINARY
Signal Name Pin No. Function
Pin State
Table No.
Description
Page No.
MA6/SA20 15 Memory bus interface 1 30
MA7/SA21 14 Memory bus interface 1 30
MA8/SA22 13 Memory bus interface 1 30
MA9/SA23 11 Memory bus interface 1 30
MCS16
197 System interface 2 32
MEMR 56 System interface 2 32
MEMW 57 System interface 2 32
MWE 8 Memory bus interface 1 30
PE 82 Parallel port interface 4 33
PGP0 189 Power management interface 6 34
PGP1 188 Power management interface 6 34
PGP2 187 Power management interface 6 34
PGP3 186 Power management interface 6 34
PIRQ0 (IRQ3) 194 System and maximum ISA bus interface 2 32, 36
PIRQ1 (IRQ6) 193 System and maximum ISA bus interface 2 32, 36
PMC0 137 Power management interface 6 34
PMC1 138 Power management interface 6 34
PMC2 77 Power management interface 6 34
PMC3 185 Power management interface 6 34
PMC4 184 Power management interface 6 34
PPDCS
90 Parallel port interface 4 33
PPDWE [PPDCS] 90 Parallel port interface 4 33
PPOEN
91 Parallel port interface 4 33
PULLDN (IRQ5) 178 Miscellaneous interface 8 12
PULLUP 110–120,
164, 179,
183
Miscellaneous interface 8 12
(PULLUP) CPUCLK 162 Local bus interface 7 12
(PULLUP) RSVD 165 Local bus interface 7 12
RAS0 2 Memory bus interface 1 30
RAS1
3 Memory bus interface 1 30
RC 78 Keyboard interface 3 33
RESIN 141 Reset and power 8 37
RIN 100 Serial port interface 5 34
ROMCS 44 Memory bus interface 1 30
RSTDRV 58 System interface 2 32
RSVD 122–127,
129–134,
136
Miscellaneous interface 8 12
RSVD (PULLUP) 165 Miscellaneous interface 7 12
(RSVD) CPURST 163 Miscellaneous interface 7 35
(RSVD) LDEV
148 Miscellaneous interface 7 35
RTS/CFG0 93 Serial port interface 5 34
SA0 74 System interface 2 32
SA1 73 System interface 2 32
PIN DESIGNATIONS (SORTED BY PIN NAME) (CONTINUED)