Sony CXD5602 User Manual page 130

3.4.3.3 Power Supply Control (SRAM)
Table PMU (Power Management Unit)-39 and Table PMU (Power Management Unit)-40 show the registers
related to power supply control of the SRAM. For the power supply control method, refer to the control flow
described in Section 3.4.4.1.
Table PMU (Power Management Unit)-39 Power Supply Control Settings (SRAM)
Address Register Name
0x04100010 SYSCPU_RAMM
ODE_SEL
0x04100018 TOP_SCU_RAM
MODE_SEL
Bit Field Name Type
Reserved RO
WEN WO
Reserved RO
RAM3_64KB RW
RAM2_64KB RW
RAM1_64KB RW
RAM0_32KB RW
RAM0_16KB RW
RAM0_8KB_1 RW
RAM0_8KB_0 RW
Reserved RO
WEN WO
WO
Reserved RO
BKRAM_MODES RW
EL1
BKRAM_MODES RW
EL0
Reserved RO
WEN WO
Reserved RO
WEN WO
－130/1010－
Bit Initial Description
Value
[31] 0 Reserved
[30] 0 Write Enable (RAM3_64KB)
[29] 0 Write Enable (RAM2_64KB)
[28] 0 Write Enable (RAM1_64KB)
[27] 0 Write Enable (RAM0_32KB)
[26] 0 Write Enable (RAM0_16KB)
[25] 0 Write Enable (RAM0_8KB_1)
[24] 0 Write Enable (RAM0_8KB_0)
[23:14] 0 Reserved
[13:12] 2'b11 Power supply control settings
[11:10] 2'b11 2'b11: On mode
2'b01: Retention mode
[9:8] 2'b11
2'b00: ShutDown mode
[7:6] 2'b11
2'b10: Prohibited setting
[5:4] 2'b11
[3:2] 2'b11
[1:0] 2'b11
[31:20] 0 Reserved
[25] 0 Write Enable (BKMEM_MODESEL1)
[24] 0 Write Enable (BKMEM_MODESEL0)
[23:20] 0 Reserved
[19:18] 2'b11 Power supply control settings
2'b11: On mode
2'b01: Retention mode
[17:16] 2'b11
2'b00: ShutDown mode
2'b10: Prohibited setting
[15:13] 0 Reserved
[12] 0 Write Enable (SCUSEQ)
[11:10] 0 Reserved
[9] 0 Write Enable (SCU_FIFO1)
[8] 0 Write Enable (SCU_FIFO0)
CXD5602 User Manual