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| 型号： | TPS62356YZG |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 1.8 A SWITCHING REGULATOR, 3350 kHz SWITCHING FREQ-MAX, BGA12 |
| 封装： | DSBGA-12 |
| 文件页数： | 21/46页 |
| 文件大小： | 1530K |
| 代理商： | TPS62356YZG |
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Slave Address
R/W
A
Register Address
A
Data
A
P
S
1
7
1
8
A = Acknowledge
S = START condition
Sr = REPEATED START condition
P = STOP condition
From Master to TPS6235x
From TPS6235x to Master
“0” Write
Sr
1
Slave Address
R/W
7
1
“1” Read
A
1
HS-MASTERCODE
R/W
A
REGISTER ADDRESS
A
DATA
A/A
P
”0” (write)
DataTransferred
(nxBytes+ Acknowledge)
S
A Sr SLAVE ADDRESS
HSModeContinues
F/SMode
HSMode
F/SMode
Sr Slave Address
Slave Address Byte
Register Address Byte
SLVS540E – MAY 2006 – REVISED APRIL 2008 .............................................................................................................................................................. www.ti.com
Figure 50. "Read" Data Transfer Format in F/S-Mode
Figure 51. Data Transfer Format in H/S-Mode
MSB
LSB
X
1
0
1
0
A1
A0
The slave address byte is the first byte received following the START condition from the master device. The first
five bits (MSBs) of the address are factory preset to 10010. The next two bits (A1, A0) of the address are device
option dependent. For example, TPS62350 is factory preset to 00 and TPS62351 is preset to 10. Up to 4
TPS62350 type of devices can be connected to the same I2C-Bus. See the ordering information table for more
details.
MSB
LSB
0
D1
D0
Following the successful acknowledgment of the slave address, the bus master sends a byte to the TPS6235x,
which contains the address of the register to be accessed. The TPS6235x contains four 8-bit registers accessible
via a bidirectional I2C-bus interface. All internal registers have read and write access.
Table 1. Register Description
Name
Description
VSEL0 (read / write)
00
VSEL1 (read / write)
01
CONTROL1 (read / write)
10
CONTROL2 (read / write)
11
28
Copyright 2006–2008, Texas Instruments Incorporated
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