参数资料
型号: SC16IS752IBS,151
厂商: NXP Semiconductors
文件页数: 35/60页
文件大小: 0K
描述: IC UART DUAL I2C/SPI 32-HVQFN
产品培训模块: Bridge Solutions
Stand-Alone UARTs
I²C Bus Fundamentals
特色产品: NXP - I2C Interface
标准包装: 490
特点: 低电流
通道数: 2,DUART
FIFO's: 64 字节
规程: RS232,RS485
电源电压: 2.5V, 3.3V
带自动流量控制功能:
带IrDA 编码器/解码器:
带故障启动位检测功能:
带调制解调器控制功能:
安装类型: 表面贴装
封装/外壳: 32-VFQFN 裸露焊盘
供应商设备封装: 32-HVQFN(5x5)
包装: 托盘
产品目录页面: 828 (CN2011-ZH PDF)
配用: 568-4000-ND - DEMO BOARD SPI/I2C TO DUAL UART
568-3510-ND - DEMO BOARD SPI/I2C TO UART
其它名称: 568-2236
935279288151
SC16IS752IBS-S
SC16IS752_SC16IS762
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2012. All rights reserved.
Product data sheet
Rev. 9 — 22 March 2012
40 of 60
NXP Semiconductors
SC16IS752; SC16IS762
Dual UART with I2C-bus/SPI interface, 64-byte FIFOs, IrDA SIR
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.
White block: host to SC16IS752/SC16IS762
Grey block: SC16IS752/SC16IS762 to host
(1) See Table 33 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 SC16IS752/SC16IS762
Grey block: SC16IS752/SC16IS762 to host
(1) See Table 33 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
Table 33.
Register address byte (I2C)
Bit
Name
Function
7
-
not used
6:3
A[3:0]
UART’s internal register select
2:1
CH1, CH0
Channel select.
00 = channel A
01 = channel B
10 = reserved
11 = reserved
0
-
not used
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