參數(shù)資料
型號(hào)： SC68C752B
廠商： NXP Semiconductors N.V.
英文描述： 5 V, 3.3 V and 2.5 V dual UART, 5 Mbit/s (max.), with 64-byte FIFOs and Motorola mP interface
中文描述： 5伏，3.3伏和2.5伏兆5雙UART /秒（最大），64字節(jié)的FIFO和摩托羅拉手機(jī)接口
文件頁(yè)數(shù)： 19/46頁(yè)
文件大?。?/td> 219K
代理商： SC68C752B
9397 750 14963
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 02 — 28 April 2005
19 of 46
Philips Semiconductors
SC68C752B
5 V, 3.3 V and 2.5 V dual 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 10
.
[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 10111111 (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 CS = 0, MCR[2] = 1, and loop-back is disabled (MCR[4] = 0).
Fig 12. Crystal oscillator connections
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 10:
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]
transmission control register
[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]
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]
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
SC68C752BIB48 功能描述:UART 接口集成電路 2.5V-5V 2CH UART 64B FIFO MOT 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
SC68C752BIB48,128 功能描述:UART 接口集成電路 2.5V-5V 2CH UART 64B 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
SC68C752BIB48,151 功能描述:UART 接口集成電路 UART DUAL W/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
SC68C752BIB48,157 功能描述:UART 接口集成電路 2.5V-5V 2CH UART 64B 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
SC68C752BIB48-F 功能描述:UART 接口集成電路 2.5V-5V 2CH UART 64B FIFO MOT 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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