參數(shù)資料
型號： SC16IS741IPW
廠商： NXP SEMICONDUCTORS
元件分類： 微控制器/微處理器
英文描述： Single UART with I2C-bus-SPI interface, 64 bytes of transmit and receive FIFOs, IrDA SIR built-in support
中文描述： 1 CHANNEL(S), 5M bps, I2C BUS CONTROLLER, PDSO16
封裝： 4.40 MM, PLASTIC, MO-153, SOT403-1, TSSOP-16
文件頁數(shù)： 36/52頁
文件大?。?/td> 382K
代理商： SC16IS741IPW
SC16IS741_1
NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 01 — 29 April 2010
36 of 52
NXP Semiconductors
SC16IS741
Single UART with I
2
C-bus/SPI interface, 64-byte FIFOs, IrDA SIR
Table 29
and
Table 30
show the bits’ presentation at the subaddress byte for I
2
C-bus and
SPI interfaces. Bit 0 is not used, bits 2:1 select the channel, bits 6:3 select one of the
UART internal registers. Bit 7 is not used with the I
2
C-bus interface, but it is used by the
SPI interface to indicate a read or a write operation.
The register read cycle (see
Figure 19
) commences in a similar manner, with the master
sending a slave address with the direction bit set to ‘write’ with a following subaddress.
Then, in order to reverse the direction of the transfer, the master issues a repeated
START followed again by the device address, but this time with the direction bit set to
‘read’. The data bytes starting at the internal subaddress will be clocked out of the device,
each followed by a master-generated acknowledge. The last byte of the read cycle will be
followed by a negative acknowledge, signalling the end of transfer. The cycle is
terminated by a STOP signal.
Table 29.
Bit
7
6:3
2:1
White block: host to SC16IS741
Grey block: SC16IS741 to host
(1) See
Table 29
for additional information.
Fig 18. Master writes to slave
S
SLAVE ADDRESS
002aab047
W
A
REGISTER ADDRESS
(1)
A
nDATA
A
P
White block: host to SC16IS741
Grey block: SC16IS741 to host
(1) See
Table 29
for additional information.
Fig 19. Master read from slave
S
SLAVE ADDRESS
002aab048
W
A
REGISTER ADDRESS
(1)
A
NA
P
S
SLAVE ADDRESS
R
A
nDATA
A
LAST DATA
Register address byte (I
2
C)
Name
-
A[3:0]
CH1, CH0
Function
not used
UART’s internal register select
channel select: CH1 = 0, CH0 = 0
Other values are reserved and should not be used.
not used
0
-
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相關代理商/技術(shù)參數(shù)
參數(shù)描述
SC16IS741IPW,112 功能描述:UART 接口集成電路 IC UART 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
SC16IS741IPW,118 功能描述:UART 接口集成電路 SINGLE UART W/ 12C-BUS/SPI INTERFC 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
SC16IS741IPW,128 功能描述:UART 接口集成電路 IC UART 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
SC16IS74Q900 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Single UART with I2C-bus/SPI interface, 64 bytes of transmit and receive FIFOs
SC16IS750 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Single UART with I2C-bus/SPI interface, 64 bytes of transmit and receive FIFOs, IrDA SIR built-in support
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