IRCC SMSC Corporation, IRCC Datasheet - Page 5

• Manufacturer Part Number: IRCC
• Description: INFRARED COMMUNICATIONS CONTROLLER
• Manufacturer: SMSC Corporation

Fast
The Fast pin always reflects the state of Fast, bit
6 of SCE Line Control Register A. The state of
Fast is independent of the IrCC Block Controls or
the Output Multiplexer.
used at the chip level for IR Transceiver
configuration.
IOCHRDY
nDACK
nSRDY
NAME
D0-D7
A0-A2
nIOW
nIOR
DRQ
AEN
IRQ
TC
GP Data
NAME
Fast
SIZE (BITS)
8
3
1
1
1
1
1
1
1
1
1
The Fast pin can be
SIZE (BITS)
1
1
Bidirectional
Table 5 - HOST Signals
Output
Output
Output
Output
TYPE
Input
Input
Input
Input
Input
Input
Output
Output
TYPE
5
GP Data
The G.P. Data pin always reflects the state of
General Purpose Data, bit 5 of SCE Line Control
Register A.
independent of the IrCC Block Controls or the
Output Multiplexer.
ISA Synchronous Ready (Zero Wait State)
General Purpose Data
General Purpose Data
IrCC Register Address Bus
ISA DMA Terminal Count
ISA DMA Acknowledge
ISA I/O Channel Ready
DESCRIPTION
ISA Address Enable
Interrupt Request
DESCRIPTION
Host Data Bus
DMA Request
ISA I/O Read
ISA I/O Write
The state of G.P. Data is