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: 67/103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
66 of 103
NXP Semiconductors
ISP1561
HS USB PCI Host Controller
11.3 EHCI controller capability registers
Other than the OHCI Host Controller, there are some registers in EHCI that dene the
capability of EHCI. The address range of these registers is located before the operational
registers.
11.3.1 CAPLENGTH/HCIVERSION register (address: content of the base address
register + 00h)
The bit allocation of this 4-byte register is given in Table 97.
2
FLAG
Flag: Nominally used as a system ag by software to indicate a warm or
cold boot.
1
IN_FULL
Input Full: Except for the case of a gate A20 sequence, this bit is set to
logic 1 on an I/O write to address 60h or 64h. While this bit is set to logic 1
and emulation is enabled, an emulation interrupt condition exists.
0
OUT_FULL
Output Full: The Host Controller sets this bit to logic 0 on a read of I/O
port 60h. If IRQEN is set, AUX_OUT_FULL (Auxiliary Output Full)
determines which IRQ is activated. While this bit is logic 0 and C_P
(Character Pending) in HceControl is set to logic 1, an emulation interrupt
condition exists.
Table 96.
HceStatus register: bit description …continued
Bit
Symbol
Description
Table 97.
CAPLENGTH/HCIVERSION 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
HCIVERSION[15:8]
Reset
10010101
Access
RRRRRRRR
Bit
15
14
13
12
11
10
9
8
Symbol
HCIVERSION[7:0]
Reset
00000000
Access
RRRRRRRR
Bit
7
6
5
4
3
2
1
0
Symbol
CAPLENGTH[7:0]
Reset
00001100
Access
RRRRRRRR
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