STW4810CRAT/LF ST-Ericsson Inc, STW4810CRAT/LF Datasheet - Page 28

• Manufacturer Part Number: STW4810CRAT/LF
• Description: IC PWR MNGMNT MULTIMEDIA 84VFBGA
• Manufacturer: ST-Ericsson Inc

Specifications of STW4810CRAT/LF

• Applications: Processor
• Current - Supply: 170µA
• Voltage - Supply: 2.7 V ~ 4.8 V
• Operating Temperature: -30°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 84-VFBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

STw4810
Registers controlled by main I2C bus
I²C controlled registers are controlled through the main serial I2C interface, SCL and SDA
balls.
SD MMC control register
Table 18.
1. These bits are reset (0) after reading
In Flash OTP two registers allow to program STw4810 energy management part.
These two registers are at address 1E and 1F and must be programmed with 1F register
first followed by 1E register.
Bit name
Type
[2:1] sel_vmmc<1:0>
Bits
7
6
5
4
3
0
Register
pdn_vaux
it_warn
monitoring_vio_
vmem_vcore
gpo2
gpo1
pdn_vmmc
Name
SD MMC control register (11h)
pdn_
vaux
R/W
7
Value
00
01
10
11
0
1
0
1
0
1
0
1
0
1
0
1
it_warn
R
6
(1)
Inactive
Enable LDO vaux
Below temperature threshold
Above temperature threshold
Outputs in the good range
Outputs lower than expected on vio_vmem or vcore
Output GPO2 HZ
Output GPO2 Low
Output GPO1 HZ
Output GPO1 low
1.8V selection
1.8V selection
2.85V selection
3V selection
Inactive
Enable SD/MMC or SDIO function.
monitori
ng_vio_
vmem_
vcore
R
5
(1)
gpo2
R/W
4
Settings
gpo1
R/W
3
sel_vmmc<1:0>
Functional description
2
R/W
1
Default
vmmc
pdn_
R/W
00
0
0
0
0
0
0
0
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