參數(shù)資料
型號(hào): XR16C850CJ
廠商: EXAR CORP
元件分類: 微控制器/微處理器
英文描述: UART with 128-byte FIFO’s FIFO Counters and Half-duplex Control
中文描述: 1 CHANNEL(S), 2.25M bps, SERIAL COMM CONTROLLER, PQCC44
封裝: PLASTIC, LCC-44
文件頁(yè)數(shù): 37/55頁(yè)
文件大?。?/td> 331K
代理商: XR16C850CJ
XR16C850
37
Rev. 1.20
T
1w
,T
2w
T
3w
T
4w
T
5s
T
5h
T
6s
T
6h
T
7d
T
7w
T
7h
T
8d
T
9d
T
10d
T
11d
T
12d
T
12h
T
13d
T
13w
T
13h
T
14d
T
15d
T
16s
T
16h
T
17d
T
18d
Clock pulse duration
Oscillator/Clock frequency
Address strobe width
Address setup time
Address hold time
Address setup time
Chip select hold time
-IOR delay from chip select
-IOR strobe width
Chip select hold time from -IOR
IOR delay from chip select
Read cycle delay
CSOUT delay from chip select
-IOR to -DDIS delay
Delay from -IOR to data
Data disable time
-IOW delay from chip select
-IOW strobe width
Chip select hold time from -IOW
-IOW delay from address
Write cycle delay
Data setup time
Data hold time
Delay from -IOW to output
Delay to set interrupt from MODEM
input
Delay to reset interrupt from -IOR
Delay from stop to set interrupt
Delay from -IOR to reset interrupt
Delay from stop to interrupt
Delay from initial INT reset to transmit
start
Delay from -IOW to reset interrupt
Delay from stop to set -RxRdy
Delay from -IOR to reset -RxRdy
Delay from -IOW to set -TxRdy
Delay from start to reset -TxRdy
Reset pulse width
Baud rate devisor
20
20
ns
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
8
24
50
15
10
10
0
10
50
5
8
50
25
10
5
5
0
10
25
5
8
50
Note 1:
Note 1:
15
25
10
20
100 pF load
100 pF load
35
25
10
40
0
10
50
20
50
25
15
10
40
0
10
50
15
35
Note 1:
Note 1:
50
50
50
35
100 pF load
100 pF load
T
19d
T
20d
T
21d
T
22d
T
23d
50
1
200
100
24
35
1
200
100
24
ns
Rclk
ns
ns
Rclk
100 pF load
100 pF load
8
8
T
24d
T
25d
T
26d
T
27d
T
28d
T
R
N
175
1
175
175
8
175
1
175
175
8
ns
Rclk
ns
ns
Rclk
ns
Rclk
40
1
40
1
2
16
-1
2
16
-1
Note 1: Applicable only when -AS is tied low.
AC ELECTRICAL CHARACTERISTICS
T
A
=0° - 70° C ( -40° - +85° C for IP, IJ, IQ packages), Vcc=3.3 - 5.0 V ± 10% unless otherwise specified.
Symbol
Parameter
Limits
3.3
Min
Limits
5.0
Min
Units
Conditions
Max
Max
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