mc9s12xs128 Freescale Semiconductor, Inc, mc9s12xs128 Datasheet - Page 135

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

3.3.2.4
Read: Anytime. .
Write: Refer to each bit description.
3.3.2.5
Read: Anytime
Freescale Semiconductor
Address: 0x0013 PRR
Address: 0x0015
MGRAMON
PGMIFRON
DFIFRON
Reset
Reset
Field
7
5
4
W
W
R
R
MGRAMON
PIX7
Flash Memory Controller SCRATCH RAM visible in the global memory map
Write: Anytime
This bit is used to made the Flash Memory Controller SCRATCH RAM visible in the global memory map.
0 Not visible in the global memory map.
1 Visible in the global memory map.
Data Flash Information Row (IFR) visible in the global memory map
Write: Anytime
This bit is used to made the IFR sector of the Data Flash visible in the global memory map.
0 Not visible in the global memory map.
1 Visible in the global memory map.
Program Flash Information Row (IFR) visible in the global memory map
Write: Anytime
This bit is used to map the IFR sector of the Program Flash to address range 0x40_000-0x40_3FFF of the global
memory map.
0 Not visible in the global memory map.
1 Visible in the global memory map.
MMC Control Register (MMCCTL1)
Program Page Index Register (PPAGE)
0
1
7
7
= Unimplemented or Reserved
PIX6
0
0
1
6
6
Figure 3-11. Program Page Index Register (PPAGE)
Figure 3-10. MMC Control Register (MMCCTL1)
Table 3-6. MMCCTL1 Field Descriptions
S12XS Family Reference Manual, Rev. 1.10
DFIFRON
PIX5
0
1
5
5
PGMIFRON
PIX4
0
1
4
4
Description
PIX3
0
0
1
3
3
PIX2
Memory Mapping Control (S12XMMCV4)
0
0
1
2
2
PIX1
0
0
1
1
1
PIX0
0
0
0
0
0
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