Table 5-35. Parallel Port Bit Map For First Level Offset; Table 5-36. Parallel Port Bit Map For Second Level Offset - AMD Geode SC1200 Data Book

32579B
Offset Name
000h DATAR
AFIFO
001h DSR
002h DCR
003h ADDR
004h DATA0
005h DATA1
006h DATA2
007h DATA3
400h CFIFO
400h DFIFO
400h TFIFO
400h CNFGA
401h CNFGB
402h ECR
403h EIR
404h EDR
405h EAR
Offset Name
00h Control0
02h Control2 SPP Com-
04h Control4
05h PP Confg0
130

Table 5-35. Parallel Port Bit Map for First Level Offset

7 6
Printer ACK#
Status Status Status
RSVD Direction
Control
EPP Device or Register Selection Address Bits
RSVD
RSVD Interrupt
Request
Value
ECP Mode Control
RSVD
FIFO Tag

Table 5-36. Parallel Port Bit Map for Second Level Offset

7 6
RSVD DCR Reg-
ister Live
Channel RSVD
patibility Address
Enable
RSVD PP DMA Request Inactive Time
Bit 3 of Demand
CNFGA DMA
Enable
Bits
5 4 3
Data Bits
Address Bits
PE SLCT ERR#
Status Status
Interrupt PP Input
Enable Control
EPP Device or R/W Data
EPP Device or R/W Data
EPP Device or R/W Data
EPP Device or R/W Data
Data Bits
Data Bits
Data Bits
Bit 7 of PP
Confg0
Interrupt Select
ECP Inter- ECP DMA
rupt Mask Enable
Data Bits
RSVD
Bits
5 4 3
Freeze Bit
Revision
1.7 or 1.9
Select
RSVD
ECP IRQ Channel Number
AMD Geode™ SC1200/SC1201 Processor Data Book
SuperI/O Module
2 1
RSVD
Timeout
Status
Printer Ini- Automatic
tialization Line Feed Strobe
Control Control Control
RSVD
RSVD DMA Channel Select
ECP Inter- FIFO FIFO
rupt Ser- Full Empty
vice
Second Level Offset
2 1
RSVD EPP Time-
out Inter-
rupt Mask
RSVD
PP DMA Request Active Time
PE Inter- ECP DMA Channel
nal PU or Number
PD
0
EPP
Data
0