S912XHZ512F1VAG Datasheet, PDF (27/978 Pages) Freescale Semiconductor, Inc – Covers MC9S12XHZ384, MC9S12XHZ256

Chapter 1 MC9S12XHZ Family Device Overview
Table 1-1. Device Register Memory Map
Address
Offset
0x02A0–0x02A7
0x02A8–0x02AF
0x02B0–0x02EF
0x02F0–0x02F7
0x02F8–0x02FF
0x0300–0x0327
0x0328–0x033F
0x0340–0x0367
0x0368–0x037F
0x0380–0x03BF
0x03C0–0x03FF
0x0400–0x07FF
Module
SSD3 (stepper stall detector)
SSD5 (stepper stall detector)
Unimplemented
Voltage regulator
Unimplemented
PWM (pulse-width modulator 8 channels)
Unimplemented
PIT (periodic interrupt timer)
Unimplemented
XGATE
Unimplemented
Unimplemented
Size
(Bytes)
8
8
64
8
8
40
24
40
24
64
64
1024
Figure 1-2 shows the CPU & BDM local address translation to the global memory map. It indicates also
the location of the internal resources in the memory map.
Table 1-2. Device Internal Resources
Device
RAMSIZE /
RAM_LOW
EEPROMSIZE /
EEPROM_LOW
FLASHSIZE0 /
FLASH0_LOW
FLASHSIZE1 /
FLASH1_HIGH
MC9S12XHZ512
MC9S12XHZ384
MC9S12XHZ256
32K / 0x0F_8000
28K / 0x0F_9000
16K / 0x0F_C000
4K / 0x13_F000
4K / 0x13_F000
4K / 0x13_F000
256K / 0x7B_FFFF
128K / 0x79_FFFF
128K / 0x79_FFFF
256K / 0x7C_0000
256K / 0x7C_0000
128K / 0x7E_0000
Figure 1-3 shows XGATE local address translation to the global memory map. It indicates also the location
of used internal resources in the memory map.
Table 1-3. XGATE Resources
Device
XGRAMSIZE / XGRAMLOW XGFLASHSIZE / XGFLASH_HIGH
MC9S12XHZ512
32K / 0x0F_8000
30K¹ / 0x78_7FFF
MC9S12XHZ384
28K / 0x0F_9000
MC9S12XHZ256
16K / 0x0F_C000
1 _{This value is calculated by the following formula: (64K - 2K - XGRAMSIZE)}
MC9S12XHZ512 Data Sheet, Rev. 1.06
Freescale Semiconductor
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