S912XEQ384J3CAL Freescale Semiconductor, S912XEQ384J3CAL Datasheet - Page 218

• Manufacturer Part Number: S912XEQ384J3CAL
• Description: IC MCU 16BIT 384KB FLASH 112LQFP
• Manufacturer: Freescale Semiconductor
• Series: HCS12r

Specifications of S912XEQ384J3CAL

• Core Processor: HCS12X
• Core Size: 16-Bit
• Speed: 50MHz
• Connectivity: CAN, EBI/EMI, I²C, IrDA, SCI, SPI
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 91
• Program Memory Size: 384KB (384K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 24K x 8
• Voltage - Supply (vcc/vdd): 1.72 V ~ 5.5 V
• Data Converters: A/D 16x12b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 112-LQFP
• Core: HCS12X
• Data Bus Width: 16 bit
• Data Ram Size: 24 KB
• Interface Type: SCI, SPI, I2C, CAN
• Maximum Clock Frequency: 50 MHz
• Number Of Programmable I/os: 91
• Number Of Timers: 1
• Operating Supply Voltage: 3.13 V to 5.5 V
• Maximum Operating Temperature: + 260 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Chapter 3 Memory Mapping Control (S12XMMCV4)
3.4.2.5
Two bits in the MMCCTL1 register (ROMHM, RAMHM) configure the mapping of the local address
(0x4000-0x7FFF) in the global memory map.
ROMHM, RAMHM are write once in normal and emulation modes and anytime in special modes.
Three areas are identified (See
Table 3-19
consideration the different configurations of ROMHM and RAMHM.
Table 3-20
218
Because of an order from the United States International Trade Commission, BGA-packaged product lines and partnumbers
indicated here currently are not available from Freescale for import or sale in the United States prior to September 2010
•
•
•
Normal Operation
During setup
0x4000 - 0x7FFF
0x2000 - 0x3FFF
0x2000 - 0x3FFF
Local Address
After reset
Program FLASH (0x7F_4000-0x7F_7FFF) when ROMHM = 0.
External Space (0x14_4000-0x14_7FFF) when ROMHM = 1 and RAMHM = 0.
XSRAM Space (0x0F_C000-0x0F_FFFF) when ROMHM = 1 and RAMHM = 1.
phase
shows the translation from the local memory map to the global memory map taking in
describes the application note of the RAM configuration and its dedicated global address.
Memory Configuration
(0x00 <= RPAGE <= 0xF9)
(0xFA <= RPAGE <= 0xFF)
ROMHM
RPAGE = 0xFD
RPAGE = 0xFD
0
1
1
1
Table 3-19. ROMHM and RAMHM Address Location
(Reset value)
(Reset value)
RPAGE
Figure
MC9S12XE-Family Reference Manual , Rev. 1.23
RAMHM
X
0
1
0
Table 3-20. RAM Configuration
3-21):
0x0F_C000 - 0x0F_FFFF
0x0F_A000 - 0x0F_BFFF
0x0F_E000 - 0x0F_FFFF
0x7F_4000 - 0x7F_7FFF
0x14_4000 - 0x14_7FFF
ROMHM
Global Address
0
1
1
1
RAMHM
0
1
1
1
12 Kilobytes
24 Kilobytes
28 Kilobytes
24 Kilobytes
RAM AREA
Bottom of the Implemented RAM
Fixed up to 8K RAM
Fixed up to 8K RAM
External Space
Internal Flash
Location
0x0F_D000 - 0x0F_FFFF
0x0F_A000 - 0x0F_FFFF
0x0F_A000 - 0x0F_FFFF
0x00_0000 - 0x0F_9FFF
Freescale Semiconductor
Global Address