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PRELIMINARY
S3C6400X RISC MICROPROCESSOR
HSMMC CONTROLLER
27-63
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.
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 will be 0.
Register
Address
R/W
Description
Reset Value
MAXCURR0
0x7C200048
HWInit
Maximum Current Capabilities Register
(Channel 0)
0x0
MAXCURR1
0x7C300048
HWInit
Maximum Current Capabilities Register
(Channel 1)
0x0
MAXCURR2
0x7C400048
HWInit
Maximum Current Capabilities Register
(Channel 2)
0x0
Name
Bit
Description
Initial Value
[31:24]
Reserved
[23:16]
Maximum Current for 1.8V
(HWInit)
0
[15:8]
Maximum Current for 3.0V
(HWInit)
0
[7:0]
Maximum Current for 3.3V
(HWInit)
0
This register measures current in 4mA steps. Each voltage level’s current support is described using the Table
below.
Register Value
Current Value
0
Get information via another method
1 4mA
2 8mA
3 12mA
… …
255 1020mA
Maximum Current Value Definition