Table of Contents
Advertisement
Error Status Register
Register name
Bit
ERROR
15–0 ERROR[15:0]
Bits 15–0 ERROR[15:0]
These bits indicate the error that has occurred while the HWP is running. For the errors that may oc-
cur in the memory check function, refer to Table 21.4.2.2.
Operating Status Register
Register name
Bit
STATUS
15–10 –
(Memory Check)
9–8 PROCESSING[1:0]
7–1 –
0
Bits 15–10 Reserved
Bits 9–8
PROCESSING[1:0]
These bits indicate the memory check processing status.
PROCESSING[1:0] bits
Bits 7–1
Reserved
Bit 0
READY
This bit indicates the HWP operating status (whether a command is acceptable or not).
1 (R):
Ready (Command is acceptable.)
0 (R):
Busy (Command is not acceptable.)
Calculation Result Register
Register name
Bit
RESULT
31–0 RESULT[31:0]
(Memory Check)
Bits 31–0 RESULT[31:0]
These bits indicate the memory check result.
When the RAM check has completed
Indicates the address where a first error has occurred.
When the Flash check has completed
Indicates the checksum/CRC calculation result. Compare it with the original value to confirm
whether there is an error or not.
Version Number Register
Register name
Bit
VERSION
15–8 MAJOR[7:0]
7–0 MINOR[7:0]
Bits 15–8 MAJOR[7:0]
Bits 7–0
MINOR[7:0]
These bits indicate the HWP version number.
Version number = MAJOR[7:0] . MINOR[7:0]
S1C31D50/D51 TECHNICAL MANUAL
(Rev. 2.00)
Bit name
Initial
0x0000
Bit name
Initial
0x00
0x0
0x00
READY
0
Table 21.6.11 Memory Check Processing Status
STATUS.
RAM check
0x0003
Terminated with an error
0x0002
Completed successfully
0x0001
During checking
0x0000
During standby
Bit name
Initial
0x0000
0000
Bit name
Initial
*
*
Seiko Epson Corporation
21 HW Processor (HWP) and Sound Output
Reset
R/W
H0
R
–
Reset
R/W
–
R
–
H0
R
–
R
H0
R
Memory check processing status
Flash check
Completed
During checking
During standby
Reset
R/W
H0
R
–
Reset
R/W
H0
R
–
H0
R
Remarks
Remarks
–
Remarks
Remarks
21-25
Advertisement
Table of Contents
