IRCC SMSC Corporation, IRCC Datasheet - Page 37

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

Register Block Three contains the IrCC Block
Identifier Registers.
SMSC ID (Addresses 0 - 1)
The SMSC ID registers contain a 16-bit
manufacturer identification code. Address zero
contains the high byte of this code, address one
contains the low byte.
Chip ID (Address 2)
The Chip ID register specifically identifies this
SMSC product.
Version Number (Address 3)
The Version Number register identifies the
revision-level of the product referenced by the
Chip ID register.
A2
0
0
0
0
1
1
1
Address
A1
0
0
1
1
0
0
1
A0
0
1
0
1
0
1
0
Direction
RO
RO
RO
RO
RO
These read-only registers
D7
Table 25 - Register Block Three
D6
IRQ Level
D5
37
SMSC ID (high-byte)
SMSC ID (low-byte)
VERSION Number
ID, the Version number, and Host interface
parameters.
IRQ Level/ DMA Channel (Address 4)
IRQ Level, bits 4 - 7
The IRQ Level bits identify the current active IRQ
number for this device. The value comes from
the 4-bit IRQ Level Bus found in the Interface
description.
DMA Channel, bits 0 - 3
The DMA Channel bits identify the current active
DMA Channel number for this device. The value
comes from the 4-bit DMA Channel Bus found in
the Interface description.
Description
D4
CHIP ID
D3
DMA Channel
D2
D1
D0
Default
'B8'hex
'10'hex
'F1'hex
'01'hex