Maximum Current Capabilities Register - Samsung S3C2416 User Manual

S3C2416X RISC MICROPROCESSOR

5.26 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 0X4AC00048
MAXCURR1 0X4A800048
Name Bit
[31:24] Reserved
MAXCURR18 [23:16] Maximum Current for 1.8V (HWInit)
MAXCURR30 [15:8]
MAXCURR33 [7:0]
This register measures current in 4mA steps. Each voltage level's current support is described using the Table
below.
Address R/W
HWInit
HWInit
Maximum Current for 3.0V (HWInit)
Maximum Current for 3.3V (HWInit)
Table 20-6. Maximum Current Value Definition
Register Value
0
1
2
3
...
255
Description
Maximum Current Capabilities Register
(Channel 0)
Maximum Current Capabilities Register
(Channel 1)
Description
Current Value
Get information via another method
4mA
8mA
12mA
1020mA
HSMMC CONTROLLER
...
Reset Value
0x0
0x0
Initial Value
0
0
0
20-63