Datasheet

TPS65910 , TPS65910A , TPS65910A3 , TPS659101
TPS659102 , TPS659103 , TPS659104 , TPS659105
TPS659106, TPS659107, TPS659108, TPS659109
SWCS046U –MARCH 2010–REVISED JUNE 2014 www.ti.com
Table 6-37. VDD2_OP_REG
Address Offset 0x25
Physical Address Instance
Description VDD2 voltage selection register.
This register can be accessed by both control and smartreflex I
2
C 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: VDD2_OP_REG voltage is applied
when 1: VDD2_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 V) × 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 6-38. VDD2_SR_REG
Address Offset 0x26
Physical Address Instance
Description VDD2 voltage selection register for smartreflex.
This register can be accessed by both control and smartreflex I
2
C 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: 1.5 V
...
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 V) ×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.
74 Detailed Description Copyright © 2010–2014, Texas Instruments Incorporated
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