NXP Semiconductors
PF4210
14-channel power management integrated circuit (PMIC) for audio/video applications
Table 78.ꢀSW4 register summary
Register
Address
0x4A
Description
SW4VOLT
SW4STBY
SW4OFF
Output voltage set point on normal operation
Output voltage set point on standby
Output voltage set point on sleep
Switching mode selector register
DVS, phase, frequency and ILIM configuration
0x4B
0x4C
SW4MODE
SW4CONF
0x4D
0x4E
Table 79.ꢀRegister SW4VOLT - ADDR 0x4A
Name
Bit number
R/W
Default Description
SW4
5:0
R/W
0x00
Sets the SW4 output voltage during normal operation mode.
See Table 77 for all possible configurations.
SW4
6
7
R
0x00
Sets the operating output voltage range for SW4. Set during
OTP or TBB configuration only. See Table 77 for all possible
configurations.
UNUSED
—
0x00
unused
Table 80.ꢀRegister SW4STBY - ADDR 0x4B
Name
Bit number
R/W
Default Description
SW4STBY
5:0
R/W
0x00
Sets the SW4 output voltage during standby mode. See
Table 77 for all possible configurations.
SW4STBY
UNUSED
6
7
R
0x00
Sets the operating output voltage range for SW4 in standby
mode. This bit inherits the value configured on bit SW4[6]
during OTP or TBB configuration. See Table 77 for all
possible configurations.
—
0x00
unused
Table 81.ꢀRegister SW4OFF - ADDR 0x4C
Name
Bit number
R/W
Default Description
SW4OFF
5:0
R/W
0x00
Sets the SW4 output voltage during sleep mode. See
Table 77 for all possible configurations.
SW4OFF
UNUSED
6
7
R
0x00
Sets the operating output voltage range for SW4 in sleep
mode. This bit inherits the value configured in bit SW4[6]
during OTP or TBB configuration. See Table 77 for all
possible configurations.
—
0x00
unused
Table 82.ꢀRegister SW4MODE - ADDR 0x4D
Name
Bit number
R/W
Default Description
0x08 Sets the SW4 switching operation mode. See Table 29 for all
SW4MODE
3:0
R/W
possible configurations.
PF4210
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© NXP B.V. 2018. All rights reserved.
Data sheet: technical data
Rev. 2.0 — 14 November 2018
77 / 137
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