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參數(shù)資料
| 型號： | ST16C552CJ68TR-F |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 35/39頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC UART FIFO 16B DUAL 68PLCC |
| 標準包裝： | 250 |
| 特點： | * |
| 通道數(shù)： | 2，DUART |
| FIFO's： | 16 字節(jié) |
| 規(guī)程： | 打印機 |
| 電源電壓： | 2.97 V ~ 5.5 V |
| 帶并行端口： | 是 |
| 帶故障啟動位檢測功能： | 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） |
| 供應商設(shè)備封裝： | 68-PLCC |
| 包裝： | 帶卷 (TR) |
| 其它名稱： | ST16C552CJ68TR-F-ND |
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5
ST16C552/552A
Rev. 3.40
SYMBOL DESCRIPTION
Symbol
Pin
Signal Type
Pin Description
trailing edge of -IOR (end of the external CPU read cycle).
-IOR
37
I
Read strobe.- A logic 0 transition on this pin will place the
contents of an Internal register defined by address bits A0-
A2 for either UART channels A/B or A0-A1 for the printer
port, onto D0-D7 data bus for a read cycle by an external
CPU.
-IOW
36
I
Write strobe.- A logic 0 transition on this pin will transfer the
data on the internal data bus (D0-D7), as defined by either
address bits A0-A2 for UART channels A/B or A0-A1 for the
printer port, into an internal register during a write cycle from
an external CPU.
PD7-PD0
46-53
I/O
Printer Data port (Bi-directional three state) - These pins are
the eight bit, three state data bus for transferring information
to or from an external device (usually a printer). D0 is the
least significant bit. PD7-PD0 are latched during a write
cycle (output mode).
PE
67
I
Paper Empty - General purpose input or line printer paper
empty (Internal pull-up). This pin can be connected to
provide a printer out of paper indication.
RDOUT
44
O
Read Out (active high) - This pin goes to a logic 1 when the
external CPU is reading data from the 552/552A. This signal
can be used to enable/disable external transceivers or other
logic functions.
-RESET
39
I
Master Reset (active low) - a logic 0 on this pin will reset the
internal registers and all the outputs. The UART transmitter
output and the receiver input will be disabled during reset
time. (See ST16C552/552A External Reset Conditions for
initialization details.)
-RXRDY A/B
9,61
O
Receive Ready A/B (active low). This function is associated
with the dual channel UARTs and provide the RX FIFO/
RHR status for individual receive channels (A-B). A logic 0
indicates there is receive data to read/unload, i.e., receive
ready status with one or more RX characters available in the
FIFO/RHR. This pin is a logic 1 when the FIFO/RHR is
empty or when the programmed trigger level has not been
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| ST16C554CJ-0A-EVB | 功能描述:界面開發(fā)工具 Supports C554D 68 ld PLCC, ISA Interface RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V |
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