PC87393VJG National Semiconductor, PC87393VJG Datasheet - Page 124

• Manufacturer Part Number: PC87393VJG
• Description: IC, SUPER I/O DEVICE, TQFP-100
• Manufacturer: National Semiconductor

Specifications of PC87393VJG

• Data Rate: 2Mbps
• Supply Voltage Range: 3V to 3.6V
• Logic Case Style: TQFP
• No. Of Pins: 100
• Operating Temperature Range: 0°C to +70°C
• Termination Type: SMD
• Transceiver Type: Interface
• Rohs Compliant: No

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8.0 Legacy Functional Blocks
8.2.3
The Parallel Port functional block bitmaps are grouped according to first and second level offsets.
Offset
000h
001h
002h
003h
004h
005h
006h
007h
400h
400h
400h
400h
401h
402h
403h
404h
405h
Register
Parallel Port Bitmap Summary
Mnemonic
CNFGA
CNFGB
DATAR
AFIFO
DATA0
DATA1
DATA2
DATA3
CFIFO
DFIFO
ADDR
TFIFO
DSR
DCR
ECR
EDR
EAR
EIR
FIFO Tag
Reserved
Printer
Status
7
Table 35. Parallel Port Bitmap Summary for First Level Offset
Reserved
ECP Mode Control
Interrupt
Request
Status
Value
ACK
6
Reserved
(Continued)
PE Status
EPP Device or Register Selection Address Bits
Reserved
Direction
Control
5
Interrupt Select
EPP Device or R/W Data
EPP Device or R/W Data
EPP Device or R/W Data
EPP Device or R/W Data
124
Interrupt
Interrupt
Enable
Status
SLCT
Mask
ECP
4
Address Bits
Data Bits
Data Bits
Data Bits
Data Bits
Data Bits
Bits
Bit 7 of PP
ECP DMA
Reserved
PP Input
Control
Confg0
Enable
Status
ERR
3
Initialization
Reserved
Interrupt
Service
Control
Printer
ECP
2
Reserved
Second Level Offset
Line Feed
Automatic
Reserved
FIFO Full
DMA Channel Select
Control
1
EPP Time-
out Status
Control
Strobe
Empty
FIFO
Data
0