參數(shù)資料
型號(hào)： ST16C654IJ68
廠商： EXAR CORP
元件分類： 微控制器/微處理器
英文描述： 2.97V TO 5.5V QUAD UART WITH 64-BYTE FIFO
中文描述： 4 CHANNEL(S), 1.5M bps, SERIAL COMM CONTROLLER, PQCC68
封裝： PLASTIC, LCC-68
文件頁數(shù)： 5/51頁
文件大?。?/td> 968K
代理商： ST16C654IJ68
ST16C654/654D
2.97V TO 5.5V QUAD UART WITH 64-BYTE FIFO
REV. 5.0.0
5
INTA
(IRQ#)
6
15
12
O
(OD)
When 16/68# pin is at logic 1 for Intel bus interface, this ouput
becomes channel A interrupt output.
! "
! # $!% &
When 16/68# pin is at logic 0 for Motorola bus interface, this output
becomes device interrupt output (active low, open drain). An exter-
nal pull-up resistor is required for proper operation.
INTB
INTC
INTD
(N.C.)
12
37
43
21
49
55
18
63
69
O
When 16/68# pin is at logic 1 for Intel bus interface, these ouputs
become the interrupt outputs for channels B, C, and D.
! "
! # $!% &
When 16/68# pin is at logic 0 for Motorola bus interface, these out-
puts are unused and will stay at logic zero level. Leave these out-
puts unconnected.
INTSEL
-
65
87
I
Interrupt Select (active high, input with internal pull-down).
When 16/68# pin is at logic 1 for Intel bus interface, this pin can be
used in conjunction with MCR bit-3 to enable or disable the INT A-D
pins or override MCR bit-3 and enable the interrupt outputs. Inter-
rupt outputs are enabled continuously by making this pin a logic 1.
Making this pin a logic 0 allows MCR bit-3 to enable and disable the
interrupt output pins. In this mode, MCR bit-3 is set to a logic 1 to
enable the continuous output. See MCR bit-3 description for full
detail. This pin must be at logic 0 in the Motorola bus interface
mode. Due to pin limitations on 64 pin packages, this pin is not
available. To cover this limitation, two 64 pin TQFP packages ver-
sions are offered. This pin is bonded to VCC internally in the
ST16C654D so the INT outputs operate in the continuous interrupt
mode. This pin is bonded to GND internally in the ST16C654 and
therefore requires setting MCR bit-3 for enabling the interrupt output
pins.
TXRDYA#
TXRDYB#
TXRDYC#
TXRDYD#
-
-
-
-
-
-
-
-
5
25
56
81
O
UART channels A-D Transmitter Ready (active low). The outputs
provide the TX FIFO/THR status for transmit channels A-D. See
Table 5
. If these outputs are unused, leave them unconnected.
RXRDYA#
RXRDYB#
RXRDYC#
RXRDYD#
-
-
-
-
-
-
-
-
100
31
50
82
O
UART channels A-D Receiver Ready (active low). This output pro-
vides the RX FIFO/RHR status for receive channels A-D. See
Table 5
. If these outputs are unused, leave them unconnected.
TXRDY#
-
39
45
O
Transmitter Ready (active low). This output is a logically ANDed
status of TXRDY# A-D. See
Table 5
. If this output is unused, leave
it unconnected.
RXRDY#
-
38
44
O
Receiver Ready (active low). This output is a logically ANDed status
of RXRDY# A-D. See
Table 5
. If this output is unused, leave it
unconnected.
Pin Description
N
AME
64-TQFP
P
IN
#
68-PLCC
P
IN
#
100-QFP
P
IN
#
T
YPE
D
ESCRIPTION
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參數(shù)描述
ST16C654IJ68-F 功能描述:UART 接口集成電路 QUAD UARTW/64BYTE 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
ST16C654IJ68-F 制造商:Exar Corporation 功能描述:IC QUAD UART 1.5MBPS 5.5V 68-PLCC
ST16C654IJ68TR-F 制造商:Exar Corporation 功能描述:UART 4-CH 64Byte FIFO 3.3V/5V 68-Pin PLCC T/R 制造商:Exar Corporation 功能描述:2.97V to 5.5V Quad UART with 64 Byte FIFOs PLCC 68 制造商:Exar Corporation 功能描述:ST16C654IJ68TR-F
ST16C654IQ 制造商:Exar Corporation 功能描述:
ST16C654IQ100 制造商:EXAR 制造商全稱:EXAR 功能描述:QUAD UART WITH 64-BYTE FIFO AND INFRARED (IrDA) ENCODER/DECODER
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