IRCC2.0 SMSC Corporation, IRCC2.0 Datasheet - Page 7

• Manufacturer Part Number: IRCC2.0
• Description: Infrared Communications Controller
• Manufacturer: SMSC Corporation

DMA Channel
4 bit bus from a chip-level configuration register,
used to identify the current IrCC 2.0 DMA
channel number. The value appears in the upper
nibble of IrCC 2.0 Register Block Three, Address
Four.
IRQ Level
Software Select A
Software Select B
DMA Channel
IRQ Level
NAME
Table 7 - IrCC 2.0-Specific Chip-Level Controls
SIZE (BITS)
4
4
8
8
TYPE
Input
Input
Input
Input
7
4 bit bus from a chip-level configuration register,
used to identify the current IrCC 2.0 IRQ level.
The value appears in the lower nibble of IrCC 2.0
Register Block Three, Address Four.
Software Select A/B
The 8 bit Software Select A and Software Select
B inputs come from software-only programmable
chip-level configuration controls. The values on
these buses appear in IrCC 2.0 Register Block
Three, Addresses Five and Six.
ISA DMA Channel Number
ISA Interrupt Level
Software Programmable Register A
Software Programmable Register B
DESCRIPTION