參數(shù)資料
型號(hào): SC16C550B
廠商: NXP Semiconductors N.V.
英文描述: 5 V, 3.3 V and 2.5 V UART with 16-byte FIFOs
中文描述: 5伏,3.3伏和2.5伏的UART具有16字節(jié)的FIFO
文件頁數(shù): 32/47頁
文件大?。?/td> 229K
代理商: SC16C550B
Philips Semiconductors
SC16C550B
5 V, 3.3 V and 2.5 V UART with 16-byte FIFOs
Product data
Rev. 02 — 14 December 2004
32 of 47
9397 750 14446
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
[1]
[2]
Applies to external clock, crystal oscillator max 24 MHz.
Applicable only when AS is tied LOW.
10.1 Timing diagrams
t
28d
t
RESET
N
delay from start to reset TXRDY
Reset pulse width
baud rate divisor
-
100
1
8
-
2
16
1 1
-
40
8
-
2
16
1 1
-
40
8
-
2
16
1 R
clk
R
clk
ns
Table 26:
T
amb
=
40
°
C to +85
°
C; V
CC
= 2.5 V 3.3 V or 5.0 V
±
10 %, unless otherwise specified.
Symbol
Parameter
AC electrical characteristics
…continued
Conditions
2.5 V
3.3 V
5.0 V
Unit
Min
Max
Min
Max
Min
Max
Fig 11. General read timing when using AS signal.
DATA
ACTIVE
VALID
VALID
ADDRESS
002aaa331
t
4w
t
7d
t
5s
t
7w
A0–A2
CS2
CS1–CS0
IOR, IOR
D0–D7
t
5h
t
6h
t
6s
t
8d
t
7h
t
9d
DDIS
t
11d
t
11d
ACTIVE
t
12d
t
12h
AS
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SC16C550BIA44,512 功能描述:UART 接口集成電路 16CB 2.5V-5V 1CH 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
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