ISP1581
Hi-Speed USB peripheral controller
Philips Semiconductors
Table 4:
Name
Register overview…continued
Destination
Address
(Hex)
Description
Size
(bytes)
DMA registers
DMA Command
DMA controller
DMA controller
DMA controller
30
controls all DMA transfers
1
4
1
DMA Transfer Counter
DMA Configuration
34
sets byte count for DMA Transfer
38 (byte 0)
sets GDMA configuration (counter enable,
burst length, data strobing, bus width)
39 (byte 1)
sets ATA configuration (IORDY enable,
mode selection: ATA/UDMA/MDMA/PIO)
1
1
2
DMA Hardware
1F0 Task File
DMA controller
3C
40
endian type, master/slave selection, signal
polarity for DACK, DREQ, DIOW, DIOR
ATAPI peripheral
single address word register: byte 0 (lower
byte) is accessed first
1F1Task File
1F2 Task File
1F3 Task File
1F4 Task File
1F5 Task File
1F6 Task File
1F7 Task File
ATAPI peripheral
ATAPI peripheral
ATAPI peripheral
ATAPI peripheral
ATAPI peripheral
ATAPI peripheral
ATAPI peripheral
48
49
4A
4B
4C
4D
44
IDE device access
IDE device access
IDE device access
IDE device access
IDE device access
IDE device access
1
1
1
1
1
1
1
IDE device access (write only; reading
returns FFH)
3F6 Task File
ATAPI peripheral
ATAPI peripheral
DMA controller
4E
IDE device access
1
1
1
1
1
1
1
1
3F7 Task File
4F
IDE device access
DMA Interrupt Reason
50 (byte 0)
51 (byte 1)
54 (byte 0)
55 (byte 1)
58
shows reason (source) for DMA interrupt
DMA Interrupt Enable
DMA controller
enables DMA interrupt sources
DMA Endpoint
DMA Strobe Timing
General registers
Interrupt
DMA controller
DMA controller
selects endpoint FIFO, data flow direction
strobe duration in UDMA/MDMA mode
60
device
device
device
18
70
74
shows interrupt sources
4
3
2
Chip ID
product ID code and hardware version
Frame Number
last successfully received Start Of Frame:
lower byte (byte 0) is accessed first
Scratch
device
PHY
78
84
allows save/restore of firmware status
during ‘suspend’
2
1
Test Mode
direct setting of D+, D− states, internal
transceiver test (PHY)
9397 750 13462
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data
Rev. 06 — 23 December 2004
17 of 79
NXP [ NXP ]
