參數(shù)資料
型號: SC16C550BIA44
廠商: NXP Semiconductors N.V.
元件分類: 收發(fā)器
英文描述: 5 V, 3.3 V and 2.5 V UART with 16-byte FIFOs
封裝: SC16C550BIA44<SOT187-2 (PLCC44)|<<http://www.nxp.com/packages/SOT187-2.html<1<week 51, 2004,;SC16C550BIA44<SOT187-2 (PLCC44)|<<http://www.nxp.com/packages/SOT187-2.html&l
文件頁數(shù): 28/48頁
文件大?。?/td> 240K
代理商: SC16C550BIA44
SC16C550B_5
NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 05 — 1 October 2008
28 of 48
NXP Semiconductors
SC16C550B
5 V, 3.3 V and 2.5 V UART with 16-byte FIFOs
7.9 Scratchpad Register (SPR)
The SC16C550B provides a temporary data register to store 8 bits of user information.
7.10 SC16C550B external reset conditions
8.
Limiting values
Table 22.
Register
IER
ISR
LCR
MCR
LSR
MSR
FCR
Reset state for registers
Reset state
IER[7:0] = 0
ISR[7:1] = 0; ISR[0] = 1
LCR[7:0] = 0
MCR[7:0] = 0
LSR[7] = 0; LSR[6:5] = 1; LSR[4:0] = 0
MSR[7:4] = input signals; MSR[3:0] = 0
FCR[7:0] = 0
Table 23.
Output
TX
RTS
DTR
RXRDY
TXRDY
Reset state for outputs
Reset state
HIGH
HIGH
HIGH
HIGH
LOW
Table 24.
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol
Parameter
V
DD
supply voltage
V
n
voltage on any other pin
Limiting values
Conditions
Min
-
V
SS
0.3
V
SS
0.3
40
65
-
Max
7
V
DD
+ 0.3
5.3
+85
+150
500
Unit
V
V
V
°
C
°
C
mW
at D7 to D0 pins
at any input only pin
operating in free air
T
amb
T
stg
P
tot
/pack
ambient temperature
storage temperature
total power dissipation
per package
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