Hitachi HIDIC MICRO-EH Applications Manual page 270

No. Name
R7EB Clear retentive area
R7EC Clear error code
R7ED Undefined
R7EE Battery error
detection
enable/disable
R7EF Backup memory
writing execution
flag
R7F0 Carry flag (CY)
R7F1 Overflow flag (V)
R7F2 Shift data (SD)
R7F3 Operation error
(ERR)
R7F4 Data error (DER)
R7F5 Special I/O function
setting flag
R7F6 Special I/O
parameters to write in
FLASH *4
R7F7 Special I/O parameter
error
R7F8 Calendar, clock read
request
R7F9 Calendar, clock
setting request
R7FA Clock ± 30 second
adjustment request
R7FB Calendar and clock
set data error
R7FC Output control 1
R7FD Output control 2
R7FE Output control 3
R7FF Output control 4
*3: Cleared by system even when Set by user.
*4: The word special internal output that can be written using this function is shown in Table 12.1 on the following page.
Meaning
1: Clear retentive area
1: Clear error code in WRF000 to F00A, R7C8 to 7DE
Do not use.
1: Detection enabled
0: Detection disabled
1: Being written
0: No carry
1: Carry
0: No overflow
1: Overflow
0: Shift data "0"
1: Shift data "1"
0: Normal
1: Error
0: Normal
1: Error
1: Request to set
1: Request to write
0: Normal
1: Error
1: Request to read
1: Request to write
1: Request adjustment
0: Normal
1: Error
0: Output disabled
1: Output enabled
Chapter 12 Error Code List and Special Internal Outputs
Description
Be sure to set if battery is used.
Indicates whether there is a carryover
from the operation result
Indicates whether there is overflow in
the operation result
Designates the shift data used in shift
instructions, etc.
Indicates whether there is an operation
error when operation is executed
Indicates whether there is a data error
when operation is being executed.
For counter, PWM and pulse train
For counter, PWM and pulse train
Indicates the results of the special I/O
parameter settings.
Read the present values of calendar,
clock and set in WRF01B to WRF01F
Set the data set in WRF01B to
WRF01F in the calendar and clock
When second data (WRF00F) is 0 to
29, it becomes 0 seconds and when it is
30 to 59, +1 minute is added and
second data becomes 0
Indicates whether there is an error in
calendar and clock set data
Sets the enabling and disabling when
Y100 through Y103 is used as PWM
output, pulse output, and counter
coincidence output.
12-7
Setting Resetting
condition condition
Cleared by
Set by user
the system
Cleared by
user, or when
retentive area
Set by user
is cleared, or
the CPU is
initialized.
Set by the Cleared by
system *3 the system
Cleared by
Set by user
user
Set by the
system
Set by user
Set by the
Cleared by
system
the system
Set by user
Set by the
system
Cleared by
user
(Cleared by
Set by user
the system in
case of pulse
output)