參數(shù)資料
型號(hào): 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(yè)數(shù): 34/50頁(yè)
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
34 of 50
Philips Semiconductors
SC16C754B
5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 64-byte FIFOs
[1]
×
sign here means bit-AND.
set TX FIFO and RX FIFO thresholds
to VALUE
read LCR (03), save in temp1
set LCR (03) to BF
read EFR (02), save in temp2
set EFR (02) to 10 + temp2
set LCR (03) to 00
read MCR (04), save in temp3
set MCR (04) to 40 + temp3
set TLR (07) to VALUE
set MCR (04) to temp3
set LCR (03) to BF
set EFR (02) to temp2
set LCR (03) to temp1
read MCR (04), save in temp1
set temp2 = temp1
×
EF
[1]
set MCR (04) = 40 + temp2
read FFR (07), save in temp2
pass temp2 back to host
set MCR (04) to temp1
read LCR (03), save in temp1
set LCR (03) to BF
read EFR (02), save in temp2
set EFR (02) to 10 + temp2
set LCR (03) to 00
read MCR (04), save in temp3
set MCR (04) to temp3
×
7F
[1]
set LCR (03) to BF
set EFR (02) to temp2
set LCR (03) to temp1
read LCR (03), save in temp1
ret LCR (03) to BF
read EFR (02), save in temp2
set EFR (02) to 10 + temp2
set LCR (03) to 00
read MCR (04), save in temp3
set MCR (04) to temp3 + 80
set LCR (03) to BF
set EFR (02) to temp2
set LCR (03) to temp1
read FIFO Rdy register
set prescaler value to divide-by-1
set prescaler value to divide-by-4
Table 23:
Command
Register programming guide
…continued
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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
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