mc9s12xs128 Freescale Semiconductor, Inc, mc9s12xs128 Datasheet - Page 250

• Manufacturer Part Number: mc9s12xs128
• Description: Hcs12 Microcontrollers 16-bit Automotive Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

S12XE Clocks and Reset Generator (S12XECRGV1)
8.3.2.10
Read: Always read $00 except in special modes
Write: Only in special modes
8.3.2.11
Read: Always read $00 except in special modes
250
Module Base + 0x0009
Module Base + 0x000A
Reset
Reset
W
W
R
R
Reserved Register (FORBYP)
Reserved Register (CTCTL)
0
0
0
0
7
7
This reserved register is designed for factory test purposes only, and is not
intended for general user access. Writing to this register when in special
modes can alter the S12XECRG’s functionality.
This reserved register is designed for factory test purposes only, and is not
intended for general user access. Writing to this register when in special test
modes can alter the S12XECRG’s functionality.
= Unimplemented or Reserved
= Unimplemented or Reserved
1
OSCCLK cycles are referenced from the previous COP time-out reset
(writing $55/$AA to the ARMCOP register)
CR2
0
0
0
0
6
6
1
Figure 8-12. Reserved Register (FORBYP)
Figure 8-13. Reserved Register (CTCTL)
S12XS Family Reference Manual, Rev. 1.10
CR1
Table 8-13. COP Watchdog Rates
1
0
0
0
0
5
5
CR0
1
NOTE
NOTE
0
0
0
0
4
4
Cycles to Timeout
0
0
0
0
3
3
OSCCLK
2
24
1
0
0
0
0
2
2
Freescale Semiconductor
0
0
0
0
1
1
0
0
0
0
0
0