參數(shù)資料
型號(hào): ST75C540FP-A
廠商: 意法半導(dǎo)體
英文描述: SUPER INTEGRATED DEVICESWITH DSP, AFE & MEMORIES FORTELEPHONY,MODEM, FAXOVERINTERNET& POTSLINES
中文描述: 超級(jí)綜合DEVICESWITH數(shù)字信號(hào)處理器,模擬前端
文件頁(yè)數(shù): 68/84頁(yè)
文件大?。?/td> 599K
代理商: ST75C540FP-A
XI.6.4- LongFrame
Figure 33
XI- TRANSMITTING DATA IN PARALLEL MODE
(continued)
TRANSMITTED
DATA
BUFF_FRAB
BUFF_SFRM
BUFF_EFRM
BUFF_LENG
(BUFF_DATA)
$7E
0
8
5
CRC
$7E
D0
D1
D2
D3
0
8
4
D0
D1
D2
D3
7
XI.6.5- AbortFrame
Figure 34
TRANSMITTED
DATA
BUFF_FRAB
BUFF_SFRM
BUFF_EFRM
BUFF_LENG
(BUFF_DATA)
$7E
D0
D1
D2
D3
0
$7E
D5
0
ABORT
D4
D0
D1
D2
D3
D5
D4
x
5
8
8
x
6
8
8
7
XI.6.6- Abort Due to Underflow
Figure 35
TRANSMITTED
DATA
BUFF_FRAB
BUFF_SFRM
BUFF_EFRM
BUFF_LENG
(BUFF_DATA)
$7E
D0
D1
D2
D3
0
ABORT
$7E
D4
D5
D0
D1
D2
D3
D4
D5
ERR_TX
(1)
(2)
(3)
5
8
8
0
6
8
8
7
Where : 1. The Underflow condition appears when the ST75C530/540 needs, inside a frame, some bytes to transmit and that the
corresponding buffer is empty.
2. The
ERR_TX
bit is cleared with a
CSE 01
Command.
3. After an Underflow condition restartthe initialization of the parallel mode and use the buffer number 0.
ST75C530 - ST75C540
68/84
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