Rabbit 6000 User’s Manual
digi.com
51
Secondary Watchdog Timer Register
(SWDTR)
(Address = 0x000C)
Bit(s)
Value
Description
7:0
The time constant for the secondary watchdog timer is stored. This time
constant will take effect the next time that the secondary watchdog
counter counts down to zero. The timer counts modulo
n
+ 1, where
n
is
the programmed time constant. The secondary watchdog timer can be
disabled by writing the sequence 0x5A – 0x52 – 0x44 to this register.
Global ROM Configuration Register
(GROM)
(Address = 0x002C)
Bit(s)
Value
Description
7
0
Program fetch as a function of the SMODE pins.
(Read-
only)
1
Ignore the SMODE pins program fetch function.
6:5
Read
These bits report the state of the SMODE pins.
4:0
00000
ROM identifier for this version of the chip.
Global RAM Configuration Register
(GRAM)
(Address = 0x002D)
Bit(s)
Value
Description
7
0
Program fetch as a function of the SMODE pins.
(Read-
only)
1
Ignore the SMODE pins program fetch function.
6:5
Read
These bits report the state of the SMODE pins.
4:0
00010
RAM identifier for this version of the chip.
Содержание 6000
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