参数资料
型号: SC16C2550IB48,151
厂商: NXP Semiconductors
文件页数: 43/46页
文件大小: 0K
描述: IC UART DUAL W/FIFO 48-LQFP
标准包装: 250
特点: 2 通道
通道数: 2,DUART
FIFO's: 16 字节
电源电压: 2.5V,3.3V,5V
带自动流量控制功能:
带IrDA 编码器/解码器:
带故障启动位检测功能:
带调制解调器控制功能:
带CMOS:
安装类型: 表面贴装
封装/外壳: 48-LQFP
供应商设备封装: 48-LQFP(7x7)
包装: 托盘
其它名称: 568-3261
935270020151
SC16C2550IB48-S
Philips Semiconductors
SC16C2550
Dual UART with 16 bytes of transmit and receive FIFOs and IrDA
encoder/decoder
Product data
Rev. 03 — 19 June 2003
6 of 46
9397 750 11621
Koninklijke Philips Electronics N.V. 2003. All rights reserved.
5.2 Pin description
Fig 4.
LQFP48 pin conguration.
SC16C2550IB48
002aaa104
1
2
3
4
5
6
7
8
9
10
11
12
36
35
34
33
32
31
30
29
28
27
26
25
13
14
15
16
17
18
19
20
21
22
23
24
48
47
46
45
44
43
42
41
40
39
38
37
D4
D3
D2
D1
D0
TXRDYA
V
CC
RIA
CDA
DSRA
CTSA
N.C.
XTAL1
XTAL2
IOW
CDB
GND
RXRDYB
IOR
DSRB
RIB
RTSB
CTSB
N.C.
D5
D6
D7
RXB
RXA
TXRDYB
TXA
TXB
OP2B
CSA
CSB
N.C.
RESET
DTRB
DTRA
RTSA
OP2A
RXRDYA
INTA
INTB
A0
A1
A2
N.C.
Table 2:
Pin description
Symbol
Pin
Type Description
DIP40 PLCC44 LQFP48
A0
28
31
28
I
Address 0 select bit. Internal register address selection.
A1
27
30
27
I
Address 1 select bit. Internal register address selection.
A2
26
29
26
I
Address 2 select bit. Internal register address selection.
CSA, CSB 14, 15 16, 17
10, 11
I
Chip Select A, B (Active-LOW). This function is associated with individual
channels, A through B. These pins enable data transfers between the user
CPU and the SC16C2550 for the channel(s) addressed. Individual UART
sections (A, B) are addressed by providing a logic 0 on the respective CSA,
CSB pin.
D0-D7
1-8
2-9
44-48,
1-3
I/O
Data bus (bi-directional). These pins are the 8-bit, 3-State data bus for
transferring information to or from the controlling CPU. D0 is the least
signicant bit and the rst data bit in a transmit or receive serial data
stream.
GND
20
22
17
I
Signal and power ground.
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SC16C2552B 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:5 V, 3.3 V and 2.5 V dual UART, 5 Mbit/s (max.), with 16-byte FIFOs
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