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參數(shù)資料
| 型號： | SCC2691 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Universal asynchronous receiver/transmitter (DUART）(通用異步接收器/傳送器) |
| 中文描述： | 通用異步接收器/發(fā)送器（杜阿爾特）（通用異步接收器/傳送器） |
| 文件頁數(shù)： | 16/24頁 |
| 文件大?。?/td> | 168K |
| 代理商： | SCC2691 |
Philips Semiconductors
Product specification
SCC2691
Universal asynchronous receiver/transmitter (UART)
1998 Sep 04
16
RDN
MPI
WRN
MPO
t
PS
t
PH
t
PD
SD00125
Figure 5. I/O Timing
WRN
INTERRUPT
1
OUTPUT
RDN
INTERRUPT
1
OUTPUT
V
M
t
IR
t
IR
V
OL
+0.5V
V
OL
+0.5V
V
OL
V
OL
NOTES:
1. INTRN or MPO when used as interrupt outputs.
2. The test for open drain outputs is intended to guarantee switching of the output transistor. Measurement of this response is referenced from the midpoint of the switching signal,
V
, to a point 0.5V above V
. This point represents noise margin that assures true switching has occurred. Beyond this level, the effects of external circuitry and test environment
are pronounced and can greatly affect the resultant measurement.
SD00126
Figure 6. Interrupt Timing
X1/CLK
C/T CLK
RxC
TxC
t
CLK
t
CTC
t
Rx
t
Tx
t
CLK
t
CTC
t
Rx
t
Tx
C1
C2
Y1
X1/CLK
X2
SCC2691
Y1 = 3.6864MHz, C
L
= 20pF
C1 = C2 = 24pF
CLK
5V
470
X1
X2
N/C
TYPICAL CRYSTAL SPECIFICATION
FREQUENCY. . . . . . . . . . . . . . 2–4MHz
LOAD CAPACITANCE (C
L
). . . 20 or 32pF (typical)
TYPE OF OPERATION . . . . . .PARALLEL RESONANT, FUND. MODE
FRODRIVING
SOURCE
50k
to
SD00127
Figure 7. Clock Timing
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| SCC2691AC1A28 | 功能描述:UART 接口集成電路 5V INDSTRL UART 1 C RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel |
| SCC2691AC1A28,129 | 制造商:NXP Semiconductors 功能描述:PHASCC2691AC1A28.129 ASYNCH RCVR/XMITTER 制造商:NXP Semiconductors 功能描述:1 Tube |
| SCC2691AC1A28,512 | 功能描述:UART 接口集成電路 UART RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel |
| SCC2691AC1A28,518 | 功能描述:UART 接口集成電路 UART RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel |
| SCC2691AC1A28,602 | 功能描述:UART 接口集成電路 5V INDSTRL UART 1 C RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel |
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