Specifications

ESS Technology, Inc. SAM0023-122898 37
ES1869 DATA SHEET
PNP CONFIGURATION AND REGISTERS
Bit Definitions:
I/O Decoder 0 Base Address (60h, R/W)
I/O base address of address range, bits 11:8. Four, eight,
or sixteen locations.
I/O Decoder 0 Base Address (61h, R/W)
I/O base address of address range, bits 7:0.
Interrupt Request General-Purpose Device Select
(70h, R/W)
Interrupt request general-purpose device select.
Bit Definitions:
Interrupt Request Type Select 0 (71h, R)
Interrupt request type select 0. Returns 2 (low-to-high
transition).
DMA Channel Select for General-Purpose Device
(74h, R)
Returns 4 (no DMA channel selected).
Bit Definitions:
Bits Name Description
1 Enable
range
check
1 = Enable range check.
0 = Disable.
0 Pattern
select
1 = 55h.
0 = AAh.
0 0 0 0 A[11:8]
7 6 5 4 3 2 1 0
A[7:0]
7 6 5 4 3 2 1 0
0 0 0 0 Data
7 6 5 4 3 2 1 0
Bits Name Description
3:0 Data Select which interrupt used for general-purpose
device IRQ.
0 0 0 0 0 0 1 0
7 6 5 4 3 2 1 0
0 0 0 0 0 Data
7 6 5 4 3 2 1 0
Bits Name Description
2:0 Data Select which DMA channel is in use for general-
purpose device DRQ.