STPCI2 STMicroelectronics, STPCI2 Datasheet - Page 26

• Manufacturer Part Number: STPCI2
• Description: STPC ATLAS DATASHEET - X86 CORE PC COMPATIBLE SYS
• Manufacturer: STMicroelectronics

PIN DESCRIPTION
2.3. SIGNAL DETAIL
The muxing between ISA, LOCAL BUS and
PCMCIA is performed by external strap options.
26/111
DIORDY
DA[2]
DA[1:0]
SCS3,SCS1
PCS3,PCS1
DD[15]
DD[14]
DD[13:12]
DD[11:0]
ISAOE# = 1
IDE Pin Name
Table 2-4. Multiplexed Signals (on the same pin)
IOCHRDY
LA[19]
LA[18:17]
LA[23:22]
LA[21:20]
RMRTCCS#
KBCS#
RTCRW#, RTCDS#
SA[19:8]
SD[15:0]
RTCAS
DEV_CLK
SA[3]
SA[2:0]
SMEMW#
IOCS16#
MASTER#
MCS16#
DACK_ENC [2:0]
TC
SA[7:4]
ZWS#
GPIOCS#
IOCHCK#
REF#
IOW#
IOR#
MEMR#
ALE
AEN
BHE#
MEMW#
SMEMR#
DREQ_MUX#[1:0]
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
ISAOE# = 0
ISA Pin Name
Issue 1.0 - July 24, 2002
= 0
A[25:24]
A[23:22]
A[21:20]
ROMCS#
Hi-Z
Hi-Z
A[19:8]
D[15:0]
= 0
DEV_CLK
A[3]
A[2:0]
VPP_PGM
WP/IOIS16#
BVD1
= 0
= 0x04
= 0
A[7:4]
GPI#
VCC5_EN
BVD2
RESET
IOWR#
IORD#
= 0
= 0
WAIT#
OE#
= 0
VCC3_EN
CE2#, CE1#
Hi-Z
VPP_VCC
WE#
REG#
READY#
CD1#, CD2#
ISAOE# = 0
PCMCIA Pin Names
The resulting interface is then dynamically muxed
with the IDE Interface.
-
PD[15:0]
FCS0#
FCS1#
PRDY
IOCS#[2:0]
PBE#[1]
PBE#[0]
PRD#
PWR#
PA[2:0]
PA[3]
PA[7:4]
PA[8]
PA[9]
PA[10]
PA[11]
PA[12]
PA[13]
PA[14]
PA[15]
PA[16]
PA[17]
PA[18]
PA[19]
PA[21:20]
PA[22]
PA[23]
PA[24]
IOCS#[7]
IOCS#[6]
IOCS#[5], IOCS#[4]
IOCS#[3]
Local Bus Pin Name