AMD Geode SC1201 - Manual (Page 130)

130 AMD Geode™ SC1200/SC1201 Processor Data Book
SuperI/O Module 32579B
Table 5-35. Parallel Port Bit Map for First Level Offset
Offset Name
Bits
7 6 5 4 3 2 1 0
000h DATAR Data Bits
AFIFO Address Bits
001h DSR Printer
Status
ACK#
Status
PE
Status
SLCT
Status
ERR#
Status
RSVD EPP
Timeout
Status
002h DCR RSVD Direction
Control
Interrupt
Enable
PP Input
Control
Printer Ini-
tialization
Control
Automatic
Line Feed
Control
Data
Strobe
Control
003h ADDR EPP Device or Register Selection Address Bits
004h DATA0 EPP Device or R/W Data
005h DATA1 EPP Device or R/W Data
006h DATA2 EPP Device or R/W Data
007h DATA3 EPP Device or R/W Data
400h CFIFO Data Bits
400h DFIFO Data Bits
400h TFIFO Data Bits
400h CNFGA RSVD Bit 7 of PP
Confg0
RSVD
401h CNFGB RSVD Interrupt
Request
Value
Interrupt Select RSVD DMA Channel Select
402h ECR ECP Mode Control ECP Inter-
rupt Mask
ECP DMA
Enable
ECP Inter-
rupt Ser-
vice
FIFO
Full
FIFO
Empty
403h EIR RSVD Second Level Offset
404h EDR Data Bits
405h EAR FIFO Tag RSVD
Table 5-36. Parallel Port Bit Map for Second Level Offset
Offset Name
Bits
7 6 5 4 3 2 1 0
00h Control0 RSVD DCR Reg-
ister Live
Freeze Bit RSVD EPP Time-
out Inter-
rupt Mask
02h Control2 SPP Com-
patibility
Channel
Address
Enable
RSVD Revision
1.7 or 1.9
Select
RSVD
04h Control4 RSVD PP DMA Request Inactive Time RSVD PP DMA Request Active Time
05h PP Confg0 Bit 3 of
CNFGA
Demand
DMA
Enable
ECP IRQ Channel Number PE Inter-
nal PU or
PD
ECP DMA Channel
Number