參數(shù)資料
型號(hào)： SC16C554B
廠商： NXP Semiconductors N.V.
英文描述： 5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 16-byte FIFOs
中文描述： 5伏，3.3伏和2.5伏兆5四異步/秒（最大），16字節(jié)的FIFO
文件頁(yè)數(shù)： 23/51頁(yè)
文件大?。?/td> 253K
代理商： SC16C554B
9397 750 13133
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 01 — 9 February 2005
23 of 51
Philips Semiconductors
SC16C554B/554DB
5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 16-byte FIFOs
7.
Register descriptions
Table 9
details the assigned bit functions for the SC16C554B/554DB internal registers.
The assigned bit functions are more fully defined in
Section 7.1
through
Section 7.10
.
[1]
The value shown represents the register’s initialized HEX value; X = not applicable.
[2]
These registers are accessible only when LCR[7] = 0.
[3]
The Special Register set is accessible only when LCR[7] is set to a logic 1.
Table 9:
A2
General Register set
[2]
0
0
0
0
0
0
0
0
1
SC16C554B/554DB internal registers
A0
Register Default
[1]
Bit 7
A1
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
RHR
THR
IER
XX
XX
00
bit 7
bit 7
0
bit 6
bit 6
0
bit 5
bit 5
0
bit 4
bit 4
0
bit 3
bit 3
modem
status
interrupt
DMA
mode
select
INT
priority
bit 2
parity
enable
bit 2
bit 2
receive
line status
interrupt
XMIT
FIFO reset
bit 1
bit 1
transmit
holding
register
RCVR
FIFO
reset
INT
priority
bit 0
word
length
bit 1
RTS
bit 0
bit 0
receive
holding
register
FIFO
enable
0
1
0
FCR
00
RCVR
trigger
(MSB)
FIFOs
enabled
RCVR
trigger
(LSB)
FIFOs
enabled
reserved reserved
0
1
0
ISR
01
0
0
INT
priority
bit 1
stop bits
INT
status
0
1
1
LCR
00
divisor
latch
enable
0
set
break
set
parity
even
parity
word
length
bit 0
DTR
1
0
0
MCR
00
0
autoflow
control
enable
trans.
holding
empty
DSR
bit 5
loop back OP2,
INTx
enable
framing
error
OP1
1
0
1
LSR
60
FIFO
data
error
CD
bit 7
trans.
empty
break
interrupt
parity
error
overrun
error
receive
data
ready
CTS
bit 0
1
1
Special Register set
[3]
0
0
0
0
0
1
1
1
0
1
MSR
SPR
X0
FF
RI
bit 6
CTS
bit 4
CD
bit 3
RI
bit 2
DSR
bit 1
DLL
DLM
XX
XX
bit 7
bit 15
bit 6
bit 14
bit 5
bit 13
bit 4
bit 12
bit 3
bit 11
bit 2
bit 10
bit 1
bit 9
bit 0
bit 8
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SC16C554B_10 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 16-byte FIFOs
SC16C554BIB64 功能描述:UART 接口集成電路 16CB 2.5V-5V 4CH UART 16B FIFO 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
SC16C554BIB64,128 功能描述:UART 接口集成電路 16CB 2.5V-5V 4CH 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
SC16C554BIB64,128 PBF 制造商:NXP Semiconductors 功能描述:
SC16C554BIB64,151 功能描述:UART 接口集成電路 4CH. UART 16B FIFO 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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