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參數資料
| 型號： | SCC2681T |
| 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： | 5/15頁 |
| 文件大小： | 108K |
| 代理商： | SCC2681T |
Philips Semiconductors
Product data
SCC2681T
Dual asynchronous receiver/transmitter (DUART)
2004 Apr 06
5
MNEMONIC
TxDA
NAME AND FUNCTION
TYPE
O
PIN
33
Channel A Transmitter Serial Data Output:
The least significant bit is transmitted first. This output is held
in the ‘mark’ condition when the transmitter is disabled, idle, or when operating in local loopback mode.
‘Mark’ is HIGH, ‘space’ is LOW.
TxDB
13
O
Channel B Transmitter Serial Data Output:
The least significant bit is transmitted first. This output is
held in the ‘mark’ condition when the transmitter is disabled, idle, or when operating in local loopback
mode. ‘Mark’ is HIGH, ‘space’ is LOW.
OP0
32
O
Output 0:
General purpose output, or channel A request to send (RTSAN, active-LOW). Can be
deactivated automatically on receive or transmit.
Output 1:
General purpose output, or channel B request to send (RTSBN, active-LOW). Can be
deactivated automatically on receive or transmit.
Output 2:
General purpose output, or channel A transmitter 1
×
or 16
×
clock output, or channel A
receiver 1
×
clock output.
Output 3:
General purpose output, or open-drain, active-LOW counter/timer interrupt output, or channel
B transmitter 1
×
clock output, or channel B receiver 1
×
clock output.
Output 4:
General purpose output, or channel A open-drain, active-LOW, RxRDYA/FFULLA interrupt
output.
Output 5:
General purpose output, or channel B open-drain, active-LOW, RxRDYB/FFULLB interrupt
output.
Output 6:
General purpose output, or channel A open-drain, active-LOW, TxRDYA interrupt output.
OP1
14
O
OP2
31
O
OP3
15
O
OP4
30
O
OP5
16
O
OP6
29
O
OP7
17
O
Output 7:
General purpose output, or channel B open-drain, active-LOW TxRDYB interrupt output.
IP0
8
I
Input 0:
General purpose input, or channel A clear to send active-LOW input (CTSAN). Pin has an
internal V
CC
pull-up device supplying 1 to 4
μ
A of current.
Input 1:
General purpose input, or channel B clear to send active-LOW input (CTSBN). Pin has an
internal V
CC
pull-up device supplying 1 to 4
μ
A of current.
Input 2:
General purpose input, or counter/timer external clock input. Pin has an internal V
CC
pull-up
device supplying 1 to 4
μ
A of current.
Input 3:
General purpose input, or channel A transmitter external clock input (TxCA). When the external
clock is used by the transmitter, the transmitted data is clocked on the falling edge of the clock. Pin has
an internal V
CC
pull-up device supplying 1 to 4
μ
A of current.
Input 4:
General purpose input, or channel A receiver external clock input (RxCA). When the external
clock is used by the receiver, the received data is sampled on the rising edge of the clock. Pin has an
internal V
CC
pull-up device supplying 1 to 4
μ
A of current.
Input 5:
General purpose input, or channel B transmitter external clock input (TxCB). When the external
clock is used by the transmitter, the transmitted data is clocked on the falling edge of the clock. Pin has
an internal V
CC
pull-up device supplying 1 to 4
μ
A of current.
Input 6:
General purpose input, or channel B receiver external clock input (RxCB). When the external
clock is used by the receiver, the received data is sampled on the rising edge of the clock. Pin has an
internal V
CC
pull-up device supplying 1 to 4
μ
A of current.
Power Supply:
+5 V supply input.
IP1
5
I
IP2
40
I
IP3
3
I
IP4
43
I
IP5
42
I
IP6
41
I
V
CC
GND
44
I
22
I
Ground
n.c.
1, 12, 23,
34
not connected
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相關代理商/技術參數 |
參數描述 |
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| SCC2681TC1A44 | 功能描述:UART 接口集成電路 RPLCMNT FOR SCN2681T RoHS:否 制造商:Texas Instruments 通道數量:2 數據速率: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 |
| SCC2681TC1A44,512 | 功能描述:UART 接口集成電路 RPLCMNT FOR SCN2681T RoHS:否 制造商:Texas Instruments 通道數量:2 數據速率: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 |
| SCC2681TC1A44,518 | 功能描述:UART 接口集成電路 RPLCMNT FOR SCN2681T RoHS:否 制造商:Texas Instruments 通道數量:2 數據速率: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 |
| SCC2681TC1A44,529 | 功能描述:UART 接口集成電路 RPLCMNT FOR SCN2681T RoHS:否 制造商:Texas Instruments 通道數量:2 數據速率: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 |
| SCC2681TC1A44-T | 功能描述:UART 接口集成電路 RPLCMNT FOR SCN2681T RoHS:否 制造商:Texas Instruments 通道數量:2 數據速率: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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