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參數(shù)資料
| 型號(hào)： | SCN2652AC2A44 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | NT Series Toggle Switch, 1 pole, 3 position, Solder terminal, Locking Lever |
| 中文描述： | 1 CHANNEL(S), 2M bps, MULTI PROTOCOL CONTROLLER, PQCC44 |
| 封裝： | PLASTIC, LCC-44 |
| 文件頁數(shù)： | 12/28頁 |
| 文件大?。?/td> | 651K |
| 代理商： | SCN2652AC2A44 |
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Philips Semiconductors
Product specification
SCN2652/SCN68652
Multi-protocol communications controller (MPCC)
1995 May 01
12
YES
TSOM,
TxE
= 1
TxSO = MARK
INITIALIZE PCSAR, PCR, TDSR
H
A
NO
TSOM = 1
TxE = 1
B
TxA = 1
TRANSMIT SYNC ON TxSO
SYNC FROM PCSAR
– IDLE = 0
SYNC FROM TxDB IDLE = 1
TSOM
= 0
TxBE = 1
NO
AFTER SYNC(S), PROCESSOR
LOADS DATA CHARACTER
IN TxDB AND TSOM = 0
YES
SERIALIZE DATA CHARACTER
IN TxDB, GENERATE VRC
OR ACCUMULATE CRC AS
SPECIFIED, TRANSMIT ON TxSO
TxBE = 1
(PROCESSOR
SHOULD LOAD TxDB)
TEOM
= 1
C
NO
(PROCESSOR SHOULD
GET TEOM AT END OF
MESSAGE IF CRC
SPECIFIED)
UNDER-
RUN
NO
YES
TxSO = SYNC FROM PCSAR
L
IF IDLE = 0
MARK IF IDLE = 1
UNTIL TSOM = 1
TxU = 1, TERR = 1
(PROCESSOR SHOULD
SET TSOM = 1)
YES
B
TRANSMIT ACCUMULATED
CRC SPECIFIED (IF NO
CRC, TEOM SHOULD = 0)
TxBE = 1
(PROCESSOR
SHOULD CLEAR
TEOM AND DROP
TxE)
TEOM
= 0
TxSO = SYNC OR TxDB DEPENDING ON
IDLE BIT
NO
YES
C
TxE
= 0
NO
YES
A
TxA = 0
PROCESSOR
SD00064
Figure 9. BCP Transmit
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