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參數(shù)資料
| 型號(hào)： | SCN2681T |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Dual asynchronous receiver/transmitter DUART |
| 中文描述： | 雙異步接收器/發(fā)送器杜阿爾特 |
| 文件頁數(shù)： | 11/14頁 |
| 文件大?。?/td> | 114K |
| 代理商： | SCN2681T |
Philips Semiconductors
Product specification
SCN2681T
Dual asynchronous receiver/transmitter (DUART)
1998 Sep 04
11
D1
D2
D3
D4
D5
D6
D7
D8
RxD
D6, D7, D8 WILL BE LOST
RECEIVER
ENABLED
RxRDY
(SR0)
FFULL
(SR1)
RxRDY/
FFULL
(OP5)
2
RDN
D1
D2
D3
D4
D5 WILL
BE LOST
OVERRUN
(SR4)
RESET BY
COMMAND
RTS
1
(OP0)
OPR(0) = 1
NOTES:
1. Timing shown for MR1(7) = 1.
2. Shown for OPCR(4) = 1 and MR1(6) = 0.
S
D
S
D
S
D
S
D
S = STATUS
D = DATA
SD00105
Figure 11. Receiver Timing
TRANSMITTER
ENABLED
TxD
ADD#1
TxRDY
(SR2)
WRN
MR1(4–3) = 11
MR1(2) = 1
1
BIT 9
D0
0
BIT 9
ADD#2 1
BIT 9
MASTER STATION
ADD#1MR1(2) = 0D0
MR1(2) = 1
ADD#2
RxD
ADD#1 1
BIT 9
D0
0
BIT 9
ADD#2 1
BIT 9
PERIPHERAL STATION
0
BIT 9
0
BIT 9
RECEIVER
ENABLED
RxRDY
(SR0)
RDN/WRN
MR1(4–3) = 11
ADD#1
D0
ADD#2
S
D
S = STATUS
D = DATA
S
D
SD00106
Figure 12. Wake-Up Mode
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