參數(shù)資料
型號： ST16C554DCJ68
廠商： EXAR CORP
元件分類： Serial IO/Communication Controller
英文描述： 4 CHANNEL(S), 1.5M bps, SERIAL COMM CONTROLLER, PQCC68
封裝： PLASTIC, LCC-68
文件頁數(shù)： 37/41頁
文件大小： 582K
代理商： ST16C554DCJ68
ST16C554/554D
5
REV. 4.0.1
2.97V TO 5.5V QUAD UART WITH 16-BYTE FIFO
Pin type: I=Input, O=Output, I/O= Input/output, OD=Output Open Drain.
DTRA#
DTRB#
DTRC#
DTRD#
3
15
34
46
12
24
46
58
O
UART channels A-D Data-Terminal-Ready (active low) or general purpose out-
put. If these outputs are not used, leave them unconnected.
DSRA#
DSRB#
DSRC#
DSRD#
1
17
32
48
10
26
44
60
I
UART channels A-D Data-Set-Ready (active low) or general purpose input. This
input should be connected to VCC when not used. This input has no effect on
the UART.
CDA#
CDB#
CDC#
CDD#
64
18
31
49
9
27
43
61
I
UART channels A-D Carrier-Detect (active low) or general purpose input. This
input should be connected to VCC when not used. This input has no effect on
the UART.
RIA#
RIB#
RIC#
RID#
63
19
30
50
8
28
42
62
I
UART channels A-D Ring-Indicator (active low) or general purpose input. This
input should be connected to VCC when not used. This input has no effect on
the UART.
ANCILLARY SIGNALS
XTAL1
25
35
I
Crystal or external clock input.
XTAL2
26
36
O
Crystal or buffered clock output.
16/68#
-
31
I
Intel or Motorola Bus Select (input with internal pull-up).
When 16/68# pin is HIGH, 16 or Intel Mode, the device will operate in the Intel
bus type of interface.
When 16/68# pin is LOW, 68 or Motorola mode, the device will operate in the
Motorola bus type of interface.
Motorola bus interface is not available on the 64 pin package.
RESET
(RESET#)
27
37
I
When 16/68# pin is HIGH for Intel bus interface, this input becomes the Reset
pin (active high). In this case, a 40 ns minimum HIGH pulse on this pin will
reset the internal registers and all outputs. The UART transmitter output will be
held HIGH, the receiver input will be ignored and outputs are reset during reset
period (Table 13). When 16/68# pin is at LOW for Motorola bus interface, this
input becomes Reset# pin (active low). This pin functions similarly, but instead
of a HIGH pulse, a 40 ns minimum LOW pulse will reset the internal registers
and outputs.
Motorola bus interface is not available on the 64 pin package.
VCC
4, 21, 35,
52
13, 30,
47, 64
Pwr
2.97V to 5.5V power supply.
GND
14, 28,
45, 61
6, 23, 40,
57
Pwr
Power supply common, ground.
N.C.
-
No Connection. These pins are not used in either the Intel or Motorola bus
modes.
Pin Description
NAME
64-LQFP
PIN #
68-PLCC
PIN#
TYPE
DESCRIPTION
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ST16C554DCJ-68 制造商:Exar Corporation 功能描述:IC,UART,LDCC,68PIN,PLASTIC
ST16C554DCJ68-F 功能描述:UART 接口集成電路 2.97V-5.5V 16B FIFO temp -45 to 85C;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
ST16C554DCJ68TR 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述:
ST16C554DCJ68TR-F 功能描述:UART 接口集成電路 QUAD UART W/16 BYTE FIFO 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
ST16C554DCQ-0A-EB 功能描述:界面開發(fā)工具 Supports C554D 64 ld TQFP, 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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