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: 19/88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
26 of 88
9397 750 13963
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Following is an example of a C program that shows how to write data into the ATL
buffer RAM. The total number of data bytes to be transferred is 80 (decimal) that will
be set into the HcTransferCounter register as 50H. The data consists of four types of
PTD data:
1. The rst PTD header (IN) is 8 bytes, followed by 16 bytes of space reserved for
its payload data;
2. The second PTD header (IN) is also 8 bytes, followed by 8 bytes of space
reserved for its payload data;
3. The third PTD header (OUT) is 8 bytes, followed by 16 bytes of payload data with
values beginning from 0H to FH incrementing by 1;
4. The fourth PTD header (OUT) is also 8 bytes, followed by 8 bytes of payload data
with values beginning from 0H to EH incrementing by 2.
In all PTDs, we have assigned device address as 5 and endpoint 1. ActualBytes is
always zero (0). TotalBytes equals the number of payload data bytes transferred.
However, note that for bulk and control transfers, TotalBytes can be greater than
MaxPacketSize.
Table 6 shows the results after running this program.
Fig 20. PIO access to internal FIFO buffer RAM.
MGT951
Commands
Pointer
automatically
increments by 2
TransferCounter
BufferStatus
internal EOT
ITLBufferPort
ATLBufferPort
ATL buffer RAM
(8-bit width)
Control registers
Command register
data port
T
EOT
1
2
=
0
toggle
command port
PInterrupt
22H/A2H
2CH
40H/C0H
41H/C1H
24H/A4H
000H
7FFH
001H
ITL1 buffer RAM
(8-bit width)
000H
3FFH
001H
ITL0 buffer RAM
(8-bit width)
000H
3FFH
001H
A0
Host bus I/F
1
0
(16-bit width)
SOF
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