PCMCIA Interface
7-11
TS102 Registers
0 = Memory card
1 = I/O card
Bit 0
PRES – Present. The PRES bit indicates that both card
detects are active and that the card is correctly inserted.
7.3.3
Card Control Register
Bit
Name
Function
Asserted
Reset
Comments
1:0
AA[25:24]
Attribute address A(25:24)
3:2
IA[25:24]
I/O address A(25:24)
00
6:4
CES[2:0]
CE/address setup time
111
000 = 1 clocks
001 = 2 clocks
010 = 3 clocks
011 = 4 clocks
100 = 5 clocks
101 = 6 clocks
110 = 7 clocks
111 = 8 clocks
9:7
OEW[2:0]
OE/WE width
111
000 = 2 clocks
001 = 3 clocks
010 = 4 clocks
011 = 5 clocks
100 = 6 clocks
101 = 7 clocks
110 = 8 clocks
111 = 9 clocks
10
CEH
Chip enable hold time
1
0 = 1 clocks
1 = 2 clocks
11
SBLE
SBus little endian
1
0
1 indicates SBus operation in ‘lit-
tle’ endian mode
12
PCMBE
PCMCIA big endian
1
0
1 indicates PCMCIA interface
should be ‘big’ endian
13
RAHD
Read ahead enable
1
0
Set to 1 to enable read-ahead
14
INCDIS
Address increment disable
1
0
Set to 1 to disable PCMCIA
address incrementing in I/O
PCMCIA accesses from SBus
15
PWRD
Power down
1
0
Set to 1 to power down
Table 7-7 Card Control Register
S3GX_TRMBook Page 11 Friday, September 19, 1997 11:39 am
Содержание SPARCbook 3 series
Страница 1: ...Series Technical Reference Manual 980327 02 3 S3GX_TRMBook Page i Friday September 19 1997 11 39 am...
Страница 8: ...viii S3GX_TRMBook Page viii Friday September 19 1997 11 39 am...
Страница 28: ...1 16 Architecture Overview Microcontroller Subsystem S3GX_TRMBook Page 16 Friday September 19 1997 11 39 am...
Страница 44: ...2 16 The SPARC CPU SBus Controller S3GX_TRMBook Page 16 Friday September 19 1997 11 39 am...
Страница 76: ...5 8 SCSI Controller DMA Support S3GX_TRMBook Page 8 Friday September 19 1997 11 39 am...
Страница 82: ...6 6 Ethernet Interface DMA Support for Network Operations S3GX_TRMBook Page 6 Friday September 19 1997 11 39 am...
Страница 96: ...7 14 PCMCIA Interface Microcontroller Registers S3GX_TRMBook Page 14 Friday September 19 1997 11 39 am...
Страница 146: ...9 28 MODEM Class 2 Fax Command Set S3GX_TRMBook Page 28 Friday September 19 1997 11 39 am...
Страница 180: ...11 30 Display Interface RAMDAC S3GX_TRMBook Page 30 Friday September 19 1997 11 39 am...
Страница 210: ...B 10 Connector Information Removable Hard Drive SCSI Connector S3GX_TRMBook Page 10 Friday September 19 1997 11 39 am...
Страница 216: ...Index vi S3GX_TRMBook Page vi Friday September 19 1997 11 39 am...