Motorola 68HC912D60, CMD912x manual PM12DG128 / PM12DT128 Memory Map, Peripheral Area

PM12DG128 / PM12DT128 Memory Map

FFFF

C000 BFFF

8000

4000

3FFF

2000

1FFF

1000 FFF

800

7FF

400

3FF

000

Expanded Wide Mode			Special (BDM) Expanded			Single Chip Mode
			Wide Mode
	1	2		1	2		1	2	3	4
CONFIG	ON	ON	CONFIG	ON	OFF	CONFIG	OFF OFF OFF OFF
MODE	ON	ON	MODE	OFF OFF		MODE	OFF OFF
External EPROM			(see BDM notes)
U5/6 (Mon12)
						On-Chip Flash Memory
			External RAM			Flash Page
						8000 – C000
				U3/4
External RAM
	U3/4
			On-Chip RAM
			3E00 – 3FFF used by Mon12
			Reserved
			On-Chip EEPROM
			Peripheral Area
Unused = 400-7BF			CS5 = 7D0-7DF			CS2 = 7A0-7AF
LCD / CS7 = 7F0-7FF			CS4 = 7C0-7CF			CS1 = 790-79F
CS6 = 7E0-7EF			CS3 = 7B0-7BF			CS0 = 780-78F

Internal Registers

See your MCU Technical Reference Manual

1.The Peripheral Area (A00-BFF) is set to Narrow (8-bit) data width by the debug utilities. If using this memory, you must also do this in your software when booting from flash as

follows:

MOVW #$0CF0,PEAR

MOVB #$73,MISC ; Flash on, p-sel stretch = 3

11