Fujitsu FR60 Hardware Manual page 571

Table 17.4-2 Statuses of the Hardware Sequence Flag
Status
Executing Automatic write operation
Automatic erase operation
Temporary
erase stop
mode
Time limit Automatic write operation
exceeded
Temporarily erase stop mode
Write operation in temporarily
erase stop mode
*1: TOGGLE2 toggles continuous read operations from sectors in temporary erase stop status.
*2: TOGGLE toggles continuous read operations from any address.
*3: During temporary erase stop status and write operations, TOGGLE2 indicates "1" while reading the address for write
operation. However, TOGGLE2 toggles continuous read operations from sectors in temporary erase stop status.
*4: TOGGLE2 toggles continuous read operations for sectors under write/erase operation, but does not toggle read
operations for other sectors while TLOVER indicates "1," meaning that the time limit is exceeded.
The bits listed in the table is the following meaning:
[Bit 7] DPOLL: Data polling
[Bit 6] TOGGLE: Toggle bit
[Bit 5] TLOVER: Time limit exceeded
[Bit 3] SETIMR: Sector erase timer
[Bit 2] TOGGL2: Toggle bit 2
Each bit is briefly described below:
DPOLL
Reverse
Temporary erase
stop and read (from
sectors in
temporary erase
stop)
Temporary erase Data
stop and read (from
sectors not in
temporary erase
stop)
Temporary erase Reverse
stop and read (to
sectors in
temporary erase
stop)
Reverse
TOGGLE TLOVER
Toggle
data
0 Toggle
1 1
Data
2
Toggle*
data
Toggle
data
0 Toggle
0 Toggle
SETIMR TOGGL2
0 0
0 1
0 0
Toggle*
Data Data
0 0
1 0
1 1
1 1
1
Toggle
1
Data
3
1*
1
*4
*4
553