参数资料
型号: TPS62352DRCR
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: 1.6 A SWITCHING REGULATOR, 3350 kHz SWITCHING FREQ-MAX, PDSO10
封装: 3 X 3 MM, PLASTIC, SON-10
文件页数: 20/46页
文件大小: 1530K
代理商: TPS62352DRCR
Recognize START or
REPEATED START
Condition
Recognize STOP or
REPEATED START
Condition
Generate ACKNOWLEDGE
Signal
Acknowledgement
Signal From Slave
SDA
SCL
MSB
P
Sr
or
P
S
or
Sr
START or
Repeated START
Condition
STOP or
Repeated START
Condition
Clock Line Held Low While
Interrupts are Serviced
1
2
7
8
9
ACK
1
2
3 8
9
ACK
Address
R/W
TPS6235x I2C Update Sequence
Slave Address
R/W
A
Register Address
A
Data
A
P
S
1
7
1
8
A = Acknowledge
S = START condition
P = STOP condition
From Master to TPS6235x
From TPS6235x to Master
“0” Write
www.ti.com .............................................................................................................................................................. SLVS540E – MAY 2006 – REVISED APRIL 2008
Figure 48. Bus Protocol
The TPS6235x requires a start condition, a valid I2C address, a register address byte, and a data byte for a
single update. After the receipt of each byte, TPS6235x device acknowledges by pulling the SDA line low during
the high period of a single clock pulse. A valid I2C address selects the TPS6235x. TPS6235x performs an update
on the falling edge of the LSB byte.
When the TPS6235x is in hardware shutdown (EN pin tied to ground) the device can not be updated via the I2C
interface. Conversely, the I2C interface is fully functional during software shutdown (EN_DCDC bit=0).
Figure 49. "Write" Data Transfer Format in F/S-Mode
Copyright 2006–2008, Texas Instruments Incorporated
27
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