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參數(shù)資料
| 型號： | ST162552 |
| 廠商： | Exar Corporation |
| 英文描述： | DUAL ASYNCHRONOUS RECEIVER/TRANSMITTER WITH FIFOs |
| 中文描述： | 雙異步接收器/發(fā)送器與FIFO的 |
| 文件頁數(shù)： | 5/28頁 |
| 文件大?。?/td> | 121K |
| 代理商： | ST162552 |
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3-139
ST16C2552
S
Symbol
Pin
Signal Type
Pin Description
SYMBOL DESCRIPTION
CTS* A/B
40,28
I
Clear to send A/B (active low). The CTS* signal is a
MODEM control function input whose conditions can be
tested by reading the MSR BIT-4. CTS* has no effect on the
transmit or receive operation.
DSR* A/B
41,29
I
Data set ready A/B (active low). A low on this pin indicates
the MODEM is ready to exchange data with UART. This pin
does not have any effect on the transmit or receive opera-
CD* A/B
42,30
I
Carrier detect A/B (active low). A low on this pin indicates
the carrier has been detected by the modem.
RI* A/B
43,31
I
Ring detect indicator A/B (active low). A low on this pin
indicates the modem has received a ringing signal from
telephone line.
VCC
33,44
I
Power supply input.
GND
12,22
O
Signal and power ground.
PROGRAMMING TABLE
A2
A1
A0
READ MODE
WRITE MODE
0
0
0
0
1
1
1
1
0
0
0
0
0
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
0
1
0
1
0
Receive Holding Register
Transmit Holding Register
Interrupt Enable Register
FIFO Control Register
Line Control Register
Modem Control Register
Interrupt Status Register
Line Status Register
Modem Status Register
Scratchpad Register
Scratchpad Register
LSB of Divisor Latch
MSB of Divisor Latch
Alternate Function Register
Alternate Function Register
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ST16C2552CJ | 2.97V TO 5.5V DUAL UART WITH 16-BYTE FIFO |
| ST16C2552IJ | 2.97V TO 5.5V DUAL UART WITH 16-BYTE FIFO |
| ST16C452IJ68 | DUAL UART WITH PARALLEL PRINTER PORT |
| ST16C452IJ68PS | DUAL UART WITH PARALLEL PRINTER PORT |
| ST16C452CJ68 | Power Supply IC; Number of Outputs:1; Supply Voltage Max:5.5V; Package/Case:10-MSOP; Leaded Process Compatible:No; Output Current:150mA; Output Voltage Max:1.3V; Peak Reflow Compatible (260 C):No; Power Dissipation:481mW |
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