Samsung S3C2451X User Manual page 527

S3C2451X RISC MICROPROCESSOR
MAXIMUM CURRENT CAPABILITIES REGISTER
These registers indicate maximum current capability for each voltage. The value is meaningful if Voltage
Support is set in the Capabilities register. If this information is supplied by the Host System via another
method, all Maximum Current Capabilities register shall be 0.
Register
MAXCURR0
MAXCURR1
Name Bit
[31:24]
MAXCURR1
[23:16]
8
MAXCURR3
[15:8]
0
MAXCURR3
[7:0]
3
This register measures current in 4mA steps. Each voltage level's current support is described using the
Table below.
Address
0X4AC00048
0X4A800048
Reserved
Maximum Current for 1.8V (HWInit)
Maximum Current for 3.0V (HWInit)
Maximum Current for 3.3V (HWInit)
Register Value
0
1
2
3
...
255
Maximum Current Value Definition
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
R/W
HWInit Maximum Current Capabilities Register
(Channel 0)
HWInit Maximum Current Capabilities Register
(Channel 1)
Description
Current Value
Get information via another method
1020mA
HSMMC CONTROLLER
Description
4mA
8mA
12mA
...
Reset Value
0x0
0x0
Initial Value
0
0
0
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