參數(shù)資料
型號(hào)： ST16C454CJ68TR-F
廠商： Exar Corporation
文件頁(yè)數(shù)： 27/29頁(yè)
文件大小： 0K
描述： IC UART QUAD 68PLCC
標(biāo)準(zhǔn)包裝： 250
特點(diǎn)： *
通道數(shù)： 4，QUART
FIFO's： 1 字節(jié)
電源電壓： 2.97 V ~ 5.5 V
帶故障啟動(dòng)位檢測(cè)功能： 是
帶調(diào)制解調(diào)器控制功能： 是
帶CMOS： 是
安裝類型： 表面貼裝
封裝/外殼： 68-LCC（J 形引線）
供應(yīng)商設(shè)備封裝： 68-PLCC
包裝： 帶卷 (TR)
ST16C454
7
Rev. 3.31
-CD A-B
9,27
-CD C-D
43,61
I
Carrier Detect (active low) - These inputs are associated with
individual UART channels A through D. A logic 0 on this pin indicates
that a carrier has been detected by the modem for that channel.
-CTS A-B
11,25
-CTS C-D
45,59
I
Clear to Send (active low) - These inputs are associated with
individual UART channels, A through D. A logic 0 on the -CTS pin
indicates the modem or data set is ready to accept transmit data
from the 454. Status can be tested by reading MSR bit-4.
-DSR A-B
10,26
-DSR C-D
44,60
I
Data Set Ready (active low) - These inputs are associated with
individual UART channels, A through D. A logic 0 on this pin
indicates the modem or data set is powered-on and is ready for
data exchange with the UART. This pin has no effect on the
UART’s transmit or receive operation. This pin has no effect on the
UART’s transmit or receive operation.
-DTR A-B
12,24
-DTR C-D
46,58
O
Data Terminal Ready (active low) - These inputs are associated
with individual UART channels, A through D. A logic 0 on this pin
indicates that the 454 is powered-on and ready. This pin can be
controlled via the modem control register. Writing a logic 1 to MCR
bit-0 will set the -DTR output to logic 0, enabling the modem. This
pin will be a logic 1 after writing a logic 0 to MCR bit-0. This pin has
no effect on the UART’s transmit or receive operation.
-RI A-B
8,28
-RI C-D
42,62
I
Ring Indicator (active low) - These inputs are associated with
individual UART channels, A through D. A logic 0 on this pin
indicates the modem has received a ringing signal from the
telephone line. A logic 1 transition on this input pin will generate an
interrupt.
-RTS A-B
14,22
-RTS C-D
48,56
O
Request to Send (active low) - These outputs are associated with
individual UART channels, A through D. A logic 0 on the -RTS pin
indicates the transmitter has data ready and waiting to send.
Writing a logic 1 in the modem control register (MCR bit-1) will set
this pin to a logic 0 indicating data is available. After a reset this pin
will be set to a logic 1. This pin has no effect on the UART’s transmit
Symbol
Pin
Signal
Pin Description
type
SYMBOL DESCRIPTION
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參數(shù)描述
ST16C454IJ68 制造商:EXAR 制造商全稱:EXAR 功能描述:QUAD UNIVERSAL ASYNCHRONOUS RECEIVER/TRANSMITTER (UART)
ST16C454IJ68-F 功能描述:UART 接口集成電路 QUAD 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
ST16C454IJ68TR-F 功能描述:UART 接口集成電路 QUAD 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
ST16C550 制造商:EXAR 制造商全稱:EXAR 功能描述:UART WITH 16-BYTE FIFO’s
ST16C550_05 制造商:EXAR 制造商全稱:EXAR 功能描述:UART WITH 16-BYTE FIFO’s
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