參數(shù)資料
型號: 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: 超級綜合DEVICESWITH數(shù)字信號處理器,模擬前端
文件頁數(shù): 62/84頁
文件大?。?/td> 599K
代理商: ST75C540FP-A
SINTR
0
1
2
3
4
5
6
0
1
2
3
4
5
6
7
R
S
Q
(Rx buffer filled)
ITRES 3
(write only)
R
S
Q
(Tx buffer emptied)
ITRES 2
(write only)
From
ST75C540
DSP
ITSRCR
(read only)
ITMASK
(read write)
7
Figure 24
No
Yes
= 0
No
Yes
RETURN
IT
READ ITSRCR
MASK UNWANTED BITS
BIT 2 = 1
EXECUTE IT_TRANSMIT
WRITE 00 INTO ITRES2
No
Yes
BIT 3 = 1
EXECUTE IT_RECEIVE
WRITE 00 INTO ITRES3
(Other Interrupts)
ExecuteTx Buffer
Management
ResetIT2
ExecuteRx Buffer
Management
ResetIT3
If all sources served return from interrupt
Check only the Interruptsources
that we want to manage under Interrupt
7
Figure 25
X - PARALLEL DATA EXCHANGE
(continued)
ST75C530 - ST75C540
62/84
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