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Appendix 4 SPECIAL REGISTER LIST
(5) Memory card
*1: When the Q2MEM-8MBA is used, value stored in the special register SD603 differs depending on the combination of the serial number of the High
Performance model QCPU and the manufacture control number of the ATA card.
For details, refer to QCPU User's Manual (Hardware Design, Maintenance and Inspection).
*2: The Universal model QCPU except the Q00UJCPU, Q00UCPU, and Q01UCPU.
TableApp.4.7 Special register
Number Name Meaning Explanation
Set by
(When Set)
Corres-
ponding
ACPU
D9
Corresponding
CPU
SD600
Memory card
typs
Memory card typs
• Indicates the type of the memory card installed.
(The bits for the drive 1 (RAM) type and drive 2 (ROM) type are fixed to "0"
in the Q00UJCPU, Q00UCPU, and Q01UCPU.)
S (Initial and
card removal)
New
Qn(H)
QnPH
QnPRH
QnU
SD602
Drive 1
(Memory card
RAM) capacity
Drive 1 capacity
• Drive 1 capacity is stored in 1 k byte units.
• (Empty capacity after format is stored.)
S (Initial and
card removal)
New
Qn(H)
QnPH
QnPRH
QnU
*2
SD603
Drive 2
(Memory card
ROM) capacity
Drive 2 capacity
• Drive 2 capacity is stored in 1 k byte units.
*1
S (Initial and
card removal)
New
SD604
Memory card
use conditions
Memory card use
conditions
• The use conditions for memory card are stored as bit patterns .
(In use when ON)
• The significance of these bit patterns is indicated below:
S (Status
change)
New
Qn(H)
QnPH
QnPRH
Memory card
use conditions
Memory card use
conditions
• The use conditions for memory card are stored as bit patterns .
(In use when ON)
• The significance of these bit patterns is indicated below:
*1: Turned ON at boot start and OFF at boot completion.
*2: Turned ON when reflection of device initial value is started and OFF
when reflection of device initial value is completed.
*3: The module whose first 5 digits of serial No. is "10102" or later.
S (Status
change)
New
QnU
*2
b4
b3 b0
0
0: Does not exist
(1: SRAM)
b8 b7b15
to to to
Drive 1
(RAM) type
Drive 2 type
0: Does not exist
1: SRAM card
2: ATA card
3: Flash card
b0 : Boot operation (QBT)
b1 : Parameters (QPA)
b2 : Device comments (QCD)
b3 : Device initial value (QDI)
b4 : File register R (QDR)
b5 : Sampling trace (QTD)
b6 : Not used
b7 : Not used
b8 : Not used
b9 : CPU fault history (QFD)
b10 : Not used
b11 : Local device (QDL)
b12 : Not used
b13 : Not used
b14 : Not used
b15 : Not used
b0 : Boot operation (QBT)
*1
b1 : Parameters (QPA)
b2 : Device comments (QCD)
b3 : Device initial value (QDI)
*2
b4 : File register R (QDR)
b5 : Sampling trace (QTD)
b6 : Not used
b7 : Backup data (QBP)
b8 : Not used
b9 : Not used
b10 : Not used
b11 : Local device (QDL)
b12 : Not used
b13 : Not used
b14 : Not used
b15 : Not used
*3