參數(shù)資料
型號: XR16C2850CM
廠商: EXAR CORP
元件分類: 微控制器/微處理器
英文描述: DUAL UART WITH 128-byte FIFO’s AND RS-485 HALF DUPLEX CONTROL
中文描述: 2 CHANNEL(S), 6.25M bps, SERIAL COMM CONTROLLER, PQFP48
封裝: 7 X 7 MM, 1.40 MM HEIGHT, EIAJ, TQFP-48
文件頁數(shù): 32/43頁
文件大?。?/td> 611K
代理商: XR16C2850CM
á
3.3V AND 5V DUART WITH 128-BYTE FIFO
XR16C2850
REV. 2.0.0
32
AC ELECTRICAL CHARACTERISTICS
TA=0
O
TO
70
O
C (-40
O
TO
+85
O
C
FOR
INDUSTRIAL
GRADE
PACKAGE
), V
CC
IS
3.3
OR
5.0V ±10%
S
YMBOL
P
ARAMETER
L
IMITS
3.3V
M
IN
M
AX
L
IMITS
5.0V
M
IN
M
AX
U
NIT
C
ONDITIONS
CLK
Clock Pulse Duration
17
17
ns
OSC
Oscillator Frequency
8
24
MHz
OSC
External Clock Frequency
33
50
MHz
T
AS
Address Setup Time
5
0
ns
T
AH
Address Hold Time
10
5
ns
T
CS
Chip Select Width
66
50
ns
T
RD
IOR# Strobe Width
35
25
ns
T
DY
Read Cycle Delay
40
30
ns
T
RDV
Data Access Time
35
25
ns
T
DD
Data Disable Time
0
25
0
15
ns
T
WR
IOW# Strobe Width
40
25
ns
T
DY
Write Cycle Delay
40
30
ns
T
DS
Data Setup Time
20
15
ns
T
DH
Data Hold Time
5
5
ns
T
WDO
Delay From IOW# To Output
50
40
ns
100 pF load
T
MOD
Delay To Set Interrupt From MODEM Input
40
35
ns
100 pF load
T
RSI
Delay To Reset Interrupt From IOR#
40
35
ns
100 pF load
T
SSI
Delay From Stop To Set Interrupt
1
1
Bclk
T
RRI
Delay From IOR# To Reset Interrupt
45
40
ns
100 pF load
T
SI
Delay From Stop To Interrupt
45
40
ns
T
INT
Delay From Initial INT Reset To Transmit Start
8
24
8
24
Bclk
T
WRI
Delay From IOW# To Reset Interrupt
45
40
ns
T
SSR
Delay From Stop To Set RXRDY#
1
1
Bclk
T
RR
Delay From IOR# To Reset RXRDY#
45
40
ns
T
WT
Delay From IOW# To Set TXRDY#
45
40
ns
T
SRT
Delay From Center of Start To Reset TXRDY#
8
8
Bclk
T
RST
Reset Pulse Width
40
40
ns
N
Baud Rate Divisor
1
2
16
-1
1
2
16
-1
-
Bclk
Baud Clock
16X or 8X of data rate
bps
相關(guān)PDF資料
PDF描述
XR16C2850CP DUAL UART WITH 128-byte FIFO’s AND RS-485 HALF DUPLEX CONTROL
XR16C2850IJ DUAL UART WITH 128-byte FIFO’s AND RS-485 HALF DUPLEX CONTROL
XR16C2850IM DUAL UART WITH 128-byte FIFO’s AND RS-485 HALF DUPLEX CONTROL
XR16C2850IP DUAL UART WITH 128-byte FIFO’s AND RS-485 HALF DUPLEX CONTROL
XR16C2852 3.3V AND 5V DUART WITH 128-BYTE FIFO
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