Datasheet

Chapter 3 Memory Mapping Control (S12XMMCV4)
MC9S12XE-Family Reference Manual Rev. 1.25
192 Freescale Semiconductor
3.3 Memory Map and Registers
3.3.1 Module Memory Map
A summary of the registers associated with the MMC block is shown in Figure 3-2. Detailed descriptions
of the registers and bits are given in the subsections that follow.
Address
Register
Name
Bit 7 6 5 4 3 2 1 Bit 0
0x000A MMCCTL0 R
CS3E1 CS3E0 CS2E1 CS2E0 CS1E1 CS1E0 CS0E1 CS0E0
W
0x000B MODE R
MODC MODB MODA
00000
W
0x0010 GPAGE R 0
GP6 GP5 GP4 GP3 GP2 GP1 GP0
W
0x0011 DIRECT R
DP15 DP14 DP13 DP12 DP11 DP10 DP9 DP8
W
0x0012 Reserved R 0 0 0 0 0 0 0 0
W
0x0013 MMCCTL1 R
TGMRAMON
0
EEEIFRON PGMIFRON RAMHM EROMON ROMHM ROMON
W
0x0014 Reserved R 0 0 0 0 0 0 0 0
W
0x0015 PPAGE R
PIX7 PIX6 PIX5 PIX4 PIX3 PIX2 PIX1 PIX0
W
0x0016 RPAGE R
RP7 RP6 RP5 RP4 RP3 RP2 RP1 RP0
W
0x0017 EPAGE R
EP7 EP6 EP5 EP4 EP3 EP2 EP1 EP0
W
= Unimplemented or Reserved
Figure 3-2. MMC Register Summary