ISP1160
Embedded USB Host Controller
Philips Semiconductors
Table 47: HcChipID register: bit description
Bit
Symbol
Description
15 to 0
ChipID[15:0]
ISP1160’s chip ID
10.5.2 HcScratch register (R/W: 28H/A8H)
This register is for the HCD to save and restore values when required.
Code (Hex): 28 — read
Code (Hex): A8 — write
Table 48: HcScratch register: bit allocation
Bit
15
14
13
12
11
10
9
8
Symbol
Reset
Access
Bit
Scratch[15:8]
0
R/W
7
0
R/W
6
0
R/W
5
0
R/W
4
0
R/W
3
0
R/W
2
0
R/W
1
0
R/W
0
Symbol
Reset
Access
Scratch[7:0]
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Table 49: HcScratch register: bit description
Bit
Symbol
Description
15 to 0
Scratch[15:0] Scratch register value
10.5.3 HcSoftwareReset register (W: A9H)
This register provides a means for software reset of the HC. To reset the HC, the HCD
must write a reset value of F6H to this register. Upon receiving the reset value, the
HC resets all the registers except its buffer memory.
Code (Hex): A9 — write
Table 50: HcSoftwareReset register: bit allocation
Bit
15
14
13
12
11
10
9
8
Symbol
Reset
Access
Bit
Reset[15:8]
0
W
7
0
W
6
0
W
5
0
W
4
0
W
3
0
W
2
0
W
1
0
W
0
Symbol
Reset
Access
Reset[7:0]
0
0
0
0
0
0
0
0
W
W
W
W
W
W
W
W
Table 51: HcSoftwareReset register: bit description
Bit
Symbol
Description
15 to 0
Reset[15:0] Writing a reset value of F6H will cause the HC to reset all the
registers except its buffer memory.
9397 750 11371
© Koninklijke Philips Electronics N.V. 2003. All rights reserved.
Product data
Rev. 04 — 04 July 2003
63 of 88
NXP [ NXP ]
