CD2481 Datasheet, PDF (189/222 Pages) Intel Corporation – Programmable Four-Channel Communications Controller

Programmable Four-Channel Communications Controller — CD2481
9.6.5
9.6.5.1
DMA Transmit Registers
A Transmit Buffer Address Lower (ATBADRL)
Register Name: ATBADRL
Register Description: Transmit Buffer ‘A’ 32-bit Address, lower word
Default Value: x’0000
Access: Word Read/Write
Bit 15
Bit 14
Bit 13
Bit 12
Bit 11
Bit 10
Binary Address Value, 32-bit Address, bits 15 - 8
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Binary Address Value, 32-bit Address, bits 7 - 0
Intel Hex Address: x’50
Motorola Hex Address: x’52
Bit 9
Bit 8
Bit 1
Bit 0
9.6.5.2
A Transmit Buffer Address Upper (ATBADRU)
Register Name: ATBADRU
Register Description: Transmit Buffer ‘A’ 32-bit Address, upper word
Default Value: x’0000
Access: Word Read/Write
Bit 15
Bit 14
Bit 13
Bit 12
Bit 11
Bit 10
Binary Address Value, 32-bit Address, bits 23 - 16
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Binary Address Value, 32-bit Address, bits 31 - 24
Intel Hex Address: x’52
Motorola Hex Address: x’50
Bit 9
Bit 8
Bit 1
Bit 0
Datasheet
189