參數(shù)資料
型號： SC16C754B
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 64-byte FIFOs
中文描述： 5伏，3.3伏和2.5伏兆5四異步/秒（最大）64字節(jié)的FIFO
文件頁數(shù)： 21/50頁
文件大?。?/td> 259K
代理商： SC16C754B
9397 750 14668
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 02 — 13 June 2005
21 of 50
Philips Semiconductors
SC16C754B
5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 64-byte FIFOs
7.
Register descriptions
Each register is selected using address lines A0, A1, A2, and in some cases, bits from
other registers. The programming combinations for register selection are shown in
Table 9
.
[1]
MCR[7] can only be modified when EFR[4] is set.
[2]
Accessed by a combination of address pins and register bits.
[3]
Accessible only when LCR[7] is logic 1.
[4]
Accessible only when LCR is set to 1011 1111 (xBF).
[5]
Accessible only when EFR[4] = 1 and MCR[6] = 1, that is, EFR[4] and MCR[6] are read/write enables.
[6]
Accessible only when CSA - CSD = 0, MCR[2] = 1, and loop-back is disabled (MCR[4] = 0).
Fig 14. Crystal oscillator connection
002aaa870
C2
47 pF
XTAL1
XTAL2
X1
1.8432 MHz
C1
22 pF
C2
33 pF
XTAL1
XTAL2
1.5 k
X1
1.8432 MHz
C1
22 pF
Table 9:
A2
0
0
0
0
1
1
1
1
0
0
0
1
1
1
1
1
1
1
Register map - read/write properties
A0
Read mode
0
receive holding register (RHR)
1
interrupt enable register (IER)
0
interrupt identification register (IIR)
1
line control register (LCR)
0
modem control register (MCR)
[1]
1
line status register (LSR)
0
modem status register (MSR)
1
scratchpad register (SPR)
0
divisor latch LSB (DLL)
[2] [3]
1
divisor latch MSB (DLH)
[2] [3]
0
enhanced feature register (EFR)
[2] [4]
0
Xon1 word
[2] [4]
1
Xon2 word
[2] [4]
0
Xoff1 word
[2] [4]
1
Xoff2 word
[2] [4]
0
transmission control register (TCR)
[2] [5]
1
trigger level register (TLR)
[2] [5]
1
FIFO ready register
[2] [6]
A1
0
0
1
1
0
0
1
1
0
0
1
0
0
1
1
1
1
1
Write mode
transmit holding register (THR)
interrupt enable register
FIFO control register (FCR)
line control register
modem control register
[1]
n/a
n/a
scratchpad register
divisor latch LSB
[2] [3]
divisor latch MSB
[2] [3]
enhanced feature register
[2] [4]
Xon1 word
[2] [4]
Xon2 word
[2] [4]
Xoff1 word
[2] [4]
Xoff2 word
[2] [4]
transmission control register
[2] [5]
trigger level register
[2] [5]
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SC16C754BIA68 功能描述:UART 接口集成電路 16CB 2.5V-5V 4CH UART 64B 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
SC16C754BIA68,512 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
SC16C754BIA68,518 功能描述:UART 接口集成電路 4CH. UART 64B 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
SC16C754BIA68,529 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
SC16C754BIA68512 制造商:NXP Semiconductors 功能描述:IC QUAD UART FIFO 5MBPS 5.5V LCC-68
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