CPC314
C P C 3 1 4 U s e r M a n u a l
43
© 2 0 2 1 F a s t w e l V e r . 0 0 1
ADDR_REG_WDT0. Indicates the address of the selected WDT0 watchdog timer register for
access via data register 23h.
Table 2-9
– Data register of the WDT0 port
Address
Type of action
Bits
7
6
5
4
3
2
1
0
23h
Write
WRDATA_REG_WDT0
Read
WRDATA_REG_WDT0
WRDATA_REG_WDT0. Contains data for writing to the internal register of the WDT0 timer, which
address is specified in the ADDR_REG_WDT0 field of the 22h index register.
WRDATA_REG_WDT0. Contains data when reading from the internal register of the WDT0 timer,
which address is specified in the ADDR_REG_WDT0 field of the 22h index register.
Table 2-10
– Register of WDT0 timer control
Address
(in the
register of
address
22h)
Action
Bits (in the data register 23h)
7
6
5
4
3
2
1
0
37h (40h)
Write
-
WDT0_WE
-
-
-
-
-
-
Read
-
WDT0_WE
-
-
-
-
-
-
WDT1_WE. Permission for WDT1 watchdog timer operation.
1
– permitted (default value);
0
– prohibited.
Table 2-11
– Register of WDT0 event selection
Address
(in the
register of
address
22h)
Action
Bits (in the data register 23h)
7
6
5
4
3
2
1
0
38h
(D0h)
Write
WDT0_SSEL
Read
WDT0_SSEL. Selecting an event at the end of the timer WDT0 counting.
0000
– reserved;
0001
– IRQ[3];
0010
– IRQ[4];
0011
– IRQ[5];
0100
– IRQ[6];
0101
– IRQ[7];
0110
– IRQ[9];
0111
– IRQ[10];
1000
– IRQ[11];
