Table of Contents
Advertisement
22 HW Processor (HWP) and Sound Output (SDAC2)
Memory Size Register
Register name
Bit
MEMSIZE
31–0 SIZE[31:0]
(Memory Check)
Bits 31–0 SIZE[31:0]
These bits specify the size in bytes of the memory to be checked.
Initial Value Setting Register
Register name
Bit
INITVALUE
31–0 INITVALUE[31:0]
(Memory Check)
Bits 31–0 INITVALUE[31:0]
These bits set the initial value used for the calculation of the Flash check (checksum, CRC). Normally,
set to 0x0000 0000.
Command Register
Register name
Bit
COMMAND
15–8 –
(Memory Check)
7–0 COMMAND[7:0]
Bits 15–8 Reserved
Set to 0x00 when writing data to this register.
Bits 7–0
COMMAND[7:0]
These bits select a memory check command to be executed.
COMMAND.COMMAND[7:0] bits
State Monitor Register
Register name
Bit
STATE
15–0 STATE[15:0]
(Memory Check)
Bits 15–0 STATE[15:0]
These bits indicate the current state of the Memory Check function.
22-26
Bit name
Initial
x
Bit name
Initial
x
Bit name
Initial
x
x
Table 22.6.2.1 Memory Check Command Selection
0xff
0xfe–0x06
0x05
0x04
0x03
0x02
0x00, 0x01
Bit name
Initial
x
Table 22.6.2.2 State Monitor
STATE.STATE[15:0] bits
0x0005
0x0004
0x0003
0x0002
0x0001
0x0000
Seiko Epson Corporation
Reset
R/W
–
R/W
–
Reset
R/W
–
R/W
–
Reset
R/W
–
R/W
–
–
R/W
Memory check command
Memory Check Stop
Setting prohibited (error)
Flash CRC Start
Flash Checksum Start
RAM Check March-C Start
RAM Check R/W Start
No operation
Reset
R/W
–
R
–
State
mc_state_crc
mc_state_checksum
mc_state_ram_march_c
mc_state_ram_rw
mc_state_idle
mc_state_init
Remarks
Remarks
Remarks
Remarks
S1C31D41 TECHNICAL MANUAL
(Rev. 1.1)
Advertisement
Table of Contents
