參數(shù)資料
型號： PTPS659105A1RSLR
廠商： TEXAS INSTRUMENTS INC
元件分類： 電源管理
英文描述： POWER SUPPLY SUPPORT CKT, PQCC48
封裝： 6 X 6 MM, 1 MM HEIGHT, GREEN, PLASTIC,VQFN-48
文件頁數(shù)： 61/89頁
文件大?。?/td> 941K
代理商： PTPS659105A1RSLR
PRODUCTPREVIEW
SWCS046C – MARCH 2010 – REVISED JUNE 2010
www.ti.com
Table 44. VDD1_OP_REG
Address Offset
0x22
Physical Address
Instance
Description
VDD1 voltage selection register.
This register can be accessed by both control and smartreflex I2C interfaces depending on
SR_CTL_I2C_SEL register bit value.
Type
RW
7
6
5
4
3
2
1
0
CMD
SEL
Bits
Field Name
Description
Type
Reset
7
CMD
Smart-Reflex command:
RW
0
when 0: VDD1_OP_REG voltage is applied
when 1: VDD1_SR_REG voltage is applied
6:0
SEL
Output voltage (EEPROM bits) selection with GAIN_SEL = 00 (G = 1,
RW
See (1)
12.5 mV per LSB):
SEL[6:0] = 1001011 to 1111111 : 1.5 V
...
SEL[6:0] = 0111111 : 1.35 V
...
SEL[6:0] = 0110011 : 1.2 V
...
SEL[6:0] = 0000001 to 0000011 : 0.6 V
SEL[6:0] = 0000000 : Off (0.0 V)
Note: from SEL[6:0] = 3 to 75 (dec)
Vout = (SEL[6:0] × 12.5 mV + 0.5625 mV) × G
(1)
The reset value for this field varies with boot mode selection and the processor support. Please refer to the corresponding processor
user guide to find the correct default value.
Table 45. VDD1_SR_REG
Address Offset
0x23
Physical Address
Instance
Description
VDD1 voltage selection register for smartreflex.
This register can be accessed by both control and smartreflex I2C interfaces depending on
SR_CTL_I2C_SEL register bit value.
Type
RW
7
6
5
4
3
2
1
0
Reserved
SEL
Bits
Field Name
Description
Type
Reset
7
Reserved
Reserved bit
RO
0
R returns
0s
6:0
SEL
Output voltage (EEPROM bits) selection with GAIN_SEL = 00 (G = 1,
RW
See (1)
12.5 mV per LSB):
SEL[6:0] = 1001011 to 1111111 : 1.5V
...
SEL[6:0] = 0111111 : 1.35V
...
SEL[6:0] = 0110011 : 1.2V
...
SEL[6:0] = 0000001 to 0000011 : 0.6V
SEL[6:0] = 0000000 : Off (0.0V)
Note: from SEL[6:0] = 3 to 75 (dec)
Vout = (SEL[6:0] × 12.5 mV + 0.5625 mV) × G
(1)
The reset value for this field varies with boot mode selection and the processor support. Please refer to the corresponding processor
user guide to find the correct default value.
64
Copyright 2010, Texas Instruments Incorporated
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