參數(shù)資料
型號(hào)： ST16C552CJ68-F
廠商： Exar Corporation
文件頁(yè)數(shù)： 39/39頁(yè)
文件大小： 0K
描述： IC UART FIFO PAR 16B DUAL 68PLCC
標(biāo)準(zhǔn)包裝： 19
特點(diǎn)： *
通道數(shù)： 2，DUART
FIFO's： 16 字節(jié)
規(guī)程： 打印機(jī)
電源電壓： 2.97 V ~ 5.5 V
帶并行端口： 是
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： 管件
其它名稱： 1016-1263-5
9
ST16C552/552A
Rev. 3.40
The rich feature set of the 552/552A is available
through internal registers. Selectable receive FIFO
trigger levels, selectable TX and RX baud rates,
modem interface controls, and a power-down mode
are all standard features. Following a power on reset
or an external reset, the 552/552A is software compat-
ible with the previous generation, 16C452.
FUNCTIONAL DESCRIPTIONS
Functional Modes
Two functional user modes are selectable for the 552/
552A package. The first of these provides the dual
UART functions, while the other provides the func-
tions of a parallel printer interface. These features are
available through selection at the package interface
select pins.
UART A-B Functions
The UART mode provides the user with the capability
to transfer information between an external CPU and
the 552/552A package. A logic 0 on chip select pins -
CSA or -CSB allows the user to configure, send data,
and/or receive data via the UART channels A-B.
Printer Port Functions
The Printer mode provides the user with the capability
to transfer information between an external CPU and the
552/552A parallel printer port. A logic 0 on chip select
pin -CSP allows the user to configure, send data, and/
or receive data via the bi-directional parallel 8-bit data
bus, PD0-PD7.
Internal Registers
The 552/552A provides 12 internal registers for monitor-
ing and control of the UART functions and another 6
registers for monitoring and controlling the printer port.
These resisters are shown in Table 4 below. The UART
registers function as data holding registers (THR/RHR),
interrupt status and control registers (IER/ISR), a FIFO
control register (FCR), line status and control registers
(LCR/LSR), modem status and control registers (MCR/
MSR), programmable data rate (clock) control registers
(DLL/DLM), and a user assessable scratchpad register
(SPR). The printer port registers functions data holding
registers (PR), I/O status register (SR), I/O select
register (IOSEL), and a command and control register
(COM/CON). Register functions are more fully de-
scribed in the following paragraphs.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ST16C552CJ68TR-F 功能描述:UART 接口集成電路 DUAL UART W/16BYTE FIFO&PARALELPRNTPORT 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
ST16C552IJ68 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述:
ST16C552IJ68-F 功能描述:UART 接口集成電路 DUAL UART W/16BYTE FIFO&PARALELPRNTPORT 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
ST16C552IJ68TR-F 功能描述:UART 接口集成電路 DUAL UART W/16BYTE FIFO&PARALELPRNTPORT 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
ST16C554 制造商:EXAR 制造商全稱:EXAR 功能描述:2.97V TO 5.5V QUAD UART WITH 16-BYTE FIFO
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