参数资料
型号: ISP1561BM,557
厂商: ST-ERICSSON
元件分类: 总线控制器
英文描述: UNIVERSAL SERIAL BUS CONTROLLER, PQFP128
封装: 14 X 14 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-420-1, LQFP-128
文件页数: 63/103页
文件大小: 457K
代理商: ISP1561BM,557
ISP1561_2
NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 02 — 5 March 2007
62 of 103
NXP Semiconductors
ISP1561
HS USB PCI Host Controller
11.2.1 HceControl register (address: content of the base address register + 100h)
Table 89 shows the bit allocation of the register.
Table 87.
Legacy support registers
Offset
Register
Description
100h
HceControl
used to enable and control the emulation hardware and report various
status information
104h
HceInput
emulation of the legacy Input Buffer register
108h
HceOutput
emulation of the legacy Output Buffer register in which the software
writes keyboard and mouse data
10Ch
HceStatus
emulation of the legacy Status register
Table 88.
Emulated registers
I/O
address
Cycle
type
Register Contents
accessed or modied
Side effects
60h
IN
HceOutput
IN from port 60h sets OUT_FULL (bit 0) in HceStatus
to logic 0
60h
OUT
HceInput
OUT to port 60h sets IN_FULL (bit 1) to logic 1 and
CMD_DATA (bit 3) to logic 0 in HceStatus
64h
IN
HceStatus
IN from port 64h returns current value of HceStatus
with no other side effect
64h
OUT
HceInput
OUT to port 64h sets IN_FULL to logic 0 and
CMD_DATA to logic 1 in HceStatus
Table 89.
HceControl register: bit allocation
Bit
31
30
29
28
27
26
25
24
Symbol
reserved
Reset
00000000
Access
--------
Bit
23
22
21
20
19
18
17
16
Symbol
reserved
Reset
00000000
Access
--------
Bit
15
14
13
12
11
10
9
8
Symbol
reserved
A20S
Reset
00000000
Access
-------
R/W
Bit
7
6
5
4
3
2
1
0
Symbol
IRQ12A
IRQ1A
GA20S
EIRQEN
IRQEN
C_P
EI
EE
Reset
00000000
Access
R/W
R
R/W
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