S912XET512J3VALR Freescale Semiconductor, S912XET512J3VALR Datasheet - Page 216

• Manufacturer Part Number: S912XET512J3VALR
• Description: 16-bit Microcontrollers - MCU 16 BIT,512K FLASH
• Manufacturer: Freescale Semiconductor

Specifications of S912XET512J3VALR

• Rohs: yes
• Core: HCS12X
• Processor Series: MC9S12XE
• Data Bus Width: 16 bit
• Maximum Clock Frequency: 50 MHz
• Program Memory Size: 512 KB
• Data Ram Size: 32 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 3.13 V to 5.5 V
• Operating Temperature Range: - 40 C to + 105 C
• Package / Case: LQFP-112
• Mounting Style: SMD/SMT

Chapter 3 Memory Mapping Control (S12XMMCV4)
3.4.2.5.1
System XSRAM has two ways to be accessed by the CPU. One is by the programming of RPAGE and the
fixed XSRAM areas configured by the values of ROMHM, RAMHM, or by the usage of the global
instruction and the usage of GPAGE.
Figure 3-22
is done by the device definition and denoted by RAMSIZE.
216
0x3F_FFFF
0x00_0000
0x00_07FF
0x0F_FFFF
0x13_FFFF
0x7F_FFFF
RAM Area in the Memory Map
EEPROM Area
FLASH Area
Space Area
REG. Area
RAM Area
shows the memory map for the implemented XSRAM. The size of the implemented XSRAM
External
System XSRAM
Figure 3-22. S12XE System RAM in the Memory Map
MC9S12XE-Family Reference Manual Rev. 1.25
0x0F_E000
0x0F_FFFF
0x00_0800
ROMHM = 1 RAMHM = 0
ROMHM = 0 RAMHM = X
Unimplemented
8K RAM
RAM
0x00_0800
0x0F_A000
0x0F_FFFF
0x0F_C000
ROMHM = 1 RAMHM = 1
Unimplemented
Freescale Semiconductor
16K RAM
8K RAM
RAM