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參數(shù)資料
| 型號： | ST16C650AIP40 |
| 廠商： | EXAR CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 2.90V TO 5.5V UART WITH 32-BYTE FIFO |
| 中文描述： | 1 CHANNEL(S), 3.125M bps, SERIAL COMM CONTROLLER, PDIP40 |
| 封裝： | 0.600 INCH, PLASTIC, DIP-40 |
| 文件頁數(shù)： | 22/53頁 |
| 文件大?。?/td> | 666K |
| 代理商： | ST16C650AIP40 |
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ST16C650A
2.90V TO 5.5V UART WITH 32-BYTE FIFO
á
REV. 5.0.0
22
2.18
The 650A UART provides an internal loopback capability for system diagnostic purposes. The internal
loopback mode
is enabled by setting MCR register bit-4 to logic 1. All regular UART functions operate normally.
Figure 15
shows how the modem port signals are re-configured. Transmit data from the transmit shift register
output is internally routed to the receive shift register input allowing the system to receive the same data that it
was sending. The TX pin is held at logic 1 or mark condition while RTS# and DTR# are de-asserted, and
CTS#, DSR# CD# and RI# inputs are ignored. Caution: the RX input must be held to a logic 1 during loopback
test else upon exiting the loopback test the UART may detect and report a false “break” signal. Also, Auto
RTS/CTS is not supported during internal loopback.
Internal Loopback
F
IGURE
15. I
NTERNAL
L
OOP
B
ACK
TX
RX
M
I
RTS#
MCR bit-4=1
VCC
VCC
Transmit Shift Register
(THR/FIFO)
Receive Shift Register
(RHR/FIFO)
CTS#
DTR#
DSR#
RI#
CD#
OP1#
OP2#
RTS#
CTS#
DTR#
DSR#
RI#
CD#
VCC
VCC
OP2#
VCC
OP1#
相關PDF資料 |
PDF描述 |
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| ST16C650AIQ48 | 2.90V TO 5.5V UART WITH 32-BYTE FIFO |
| ST16C650 | Voltage Regulator IC; Output Current Max:350mA; Supply Voltage Max:6V; Package/Case:8-TSSOP; Output Current:350mA; Output Voltage:3.3V; Current Rating:30.05A; Leaded Process Compatible:Yes; Output Voltage Max:3.3V RoHS Compliant: Yes |
| ST26C32CF16 | QUAD RS-422, RS-423 CMOS Differential Line Receiver |
| ST26C32 | MOSFET; Transistor Polarity:N Channel; Drain Source Voltage, Vds:20V; Continuous Drain Current, Id:13.4A; On-Resistance, Rds(on):0.0065ohm; Rds(on) Test Voltage, Vgs:4.5V; Package/Case:8-SOIC; Leaded Process Compatible:No |
| ST26C32CP16 | QUAD RS-422, RS-423 CMOS Differential Line Receiver |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| ST16C650AIQ48 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述:UART, 48 Pin, Plastic, TQFP |
| ST16C650AIQ48-F | 功能描述:UART 接口集成電路 UART W/32BYTEFIFO 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 |
| ST16C650AIQ48TR | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述: |
| ST16C650AIQ48TR-F | 功能描述:UART 接口集成電路 UART W/32BYTEFIFO 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 |
| ST16C650CJ44 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述: |
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