参数资料
型号: ISP1160BD/01,118
厂商: ST-ERICSSON
元件分类: 总线控制器
英文描述: UNIVERSAL SERIAL BUS CONTROLLER, PQFP64
封装: 10 X 10 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-314-2, LQFP-64
文件页数: 64/88页
文件大小: 394K
代理商: ISP1160BD/01,118
Philips Semiconductors
ISP1160
Embedded USB Host Controller
Product data
Rev. 05 — 24 December 2004
67 of 88
9397 750 13963
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
The HCD must set the byte count into the HcTransferCounter register and check the
HcBufferStatus register before reading from or writing to the buffer. The HCD must
write the command (40H to read, C0H to write) once only, and then read or write both
bytes of the data word. After every read/write, the pointer of ITL buffer RAM will be
automatically increased by two to point to the next data word until it reaches the value
of the HcTransferCounter register; otherwise, an internal EOT signal is not generated
to set bit 2 (AllEOTInterrupt) of the Hc
PInterrupt register and update the
HcBufferStatus register.
The HCD must take care of the fact that the internal buffer RAM is organized in bytes.
The HCD must write the byte count into the HcTransferCounter register, but the HCD
reads or writes the buffer RAM by 16 bits (by 1 word).
10.6.7
HcATLBufferPort register (R/W: 41H/C1H)
This is the ATL buffer RAM read/write port. Bits 15 to 8 contain the data byte that
comes from the Acknowledged Transfer List (ATL) buffer RAM’s odd address.
Bits 7 to 0 contain the data byte that comes from the ATL buffer RAM’s even address.
Code (Hex): 41 — read
Code (Hex): C1 — write
Table 62:
HcITLBufferPort register: bit allocation
Bit
15
14
13
12
11
10
9
8
Symbol
DataWord[15:8]
Reset
00000000
Access
R/W
Bit
7
6
5
4
3
2
1
0
Symbol
DataWord[7:0]
Reset
00000000
Access
R/W
Table 63:
HcITLBufferPort register: bit description
Bit
Symbol
Description
15 to 0
DataWord[15:0]
Read/write ITL buffer RAM’s two data bytes.
Table 64:
HcATLBufferPort register: bit allocation
Bit
15
14
13
12
11
10
9
8
Symbol
DataWord[15:8]
Reset
00000000
Access
R/W
Bit
7
6
5
4
3
2
1
0
Symbol
DataWord[7:0]
Reset
00000000
Access
R/W
Table 65:
HcATLBufferPort register: bit description
Bit
Symbol
Description
15 to 0
DataWord[15:0]
Read/write ATL buffer RAM’s two data bytes.
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