參數(shù)資料
型號(hào)： SCN2681AC1A44
廠(chǎng)商： NXP SEMICONDUCTORS
元件分類(lèi)： 微控制器/微處理器
英文描述： RB Series - Econoline Unregulated DC-DC Converters; Input Voltage (Vdc): 12V; Output Voltage (Vdc): 3.3V; Power: 1W; Low Cost 1W Converter; Power Sharing on Dual Output Version; Industry Standard Pinout; 1kVDC & 2kVDC Isolation Options; Optional Continuous Short Circuit Protected; UL94V-0 Package Material; Efficiency to 85%
中文描述： 2 CHANNEL(S), 1M bps, SERIAL COMM CONTROLLER, PQCC44
封裝： PLASTIC, MO-047AC, SOT-187-2, LCC-44
文件頁(yè)數(shù)： 22/30頁(yè)
文件大?。?/td> 205K
代理商： SCN2681AC1A44
Philips Semiconductors
Product specification
SCN2681
Dual asynchronous receiver/transmitter (DUART)
1998 Sep 04
22
TIMING DIAGRAMS
(Continued)
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
STATUS DATA
D1
STATUS DATA
D2
STATUS DATA
D3
STATUS DATA
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 MR(6) = 0.
SD00095
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) = 0 D0
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
STATUS DATA
D0
STATUS DATA
ADD#2
SD00096
Figure 12. Wake-Up Mode
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