MC9S12E128CPV Freescale Semiconductor, MC9S12E128CPV Datasheet - Page 552

• Manufacturer Part Number: MC9S12E128CPV
• Description: Microcontrollers (MCU) 16 Bit 16MHz
• Manufacturer: Freescale Semiconductor

Specifications of MC9S12E128CPV

• Data Bus Width: 16 bit
• Program Memory Type: Flash
• Program Memory Size: 128 KB
• Data Ram Size: 8 KB
• Interface Type: SCI, SPI
• Maximum Clock Frequency: 25 MHz
• Number Of Programmable I/os: 92
• Number Of Timers: 16 bit
• Operating Supply Voltage: 3.135 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: LQFP-112
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit
• On-chip Dac: 8 bit, 2 Channel
• Lead Free Status / Rohs Status: No RoHS Version Available

Chapter 19 Module Mapping Control (MMCV4)
19.3.2.7
Read: Anytime
Write: Writes have no effect
Reset: Defined at chip integration, see device overview section.
The MEMSIZ0 register reflects the state of the register, EEPROM and RAM memory space configuration
switches at the core boundary which are configured at system integration. This register allows read
visibility to the state of these switches.
552
RAM_SW[2:0]
EEP_SW[1:0]
REG_SW0
Reset
ram_sw2:ram_sw0
Field
5:4
W
7
2
R REG_SW0
000
001
010
011
100
Memory Size Register 0 (MEMSIZ0)
—
Allocated System Register Space
0 Allocated system register space size is 1K byte
1 Allocated system register space size is 2K byte
Allocated System EEPROM Memory Space — The allocated system EEPROM memory space size is as
given in
Allocated System RAM Memory Space — The allocated system RAM memory space size is as given in
Table
7
19-9.
= Unimplemented or Reserved
Table
eep_sw1:eep_sw0
—
19-8.
0
6
RAM Space
Allocated
10K bytes
Figure 19-9. Memory Size Register 0 (MEMSIZ0)
2K bytes
4K bytes
6K bytes
8K bytes
Table 19-8. Allocated EEPROM Memory Space
00
01
10
11
Table 19-9. Allocated RAM Memory Space
Table 19-7. MEMSIZ0 Field Descriptions
EEP_SW1
MC9S12E128 Data Sheet, Rev. 1.07
—
5
Mappable Region
EEP_SW0
16K bytes
8K bytes
2K bytes
4K bytes
8K bytes
—
4
RAM
Description
Allocated EEPROM Space
2
2
—
0
3
2K bytes
4K bytes
8K bytes
0K byte
RAM[15:11]
RAM[15:12]
RAM[15:13]
RAM[15:13]
RAM[15:14]
Bits Used
RAM_SW2
INITRM
—
2
RAM_SW1
Freescale Semiconductor
—
1
Base Address
RAM Reset
0x0800
0x0000
0x0800
0x0000
0x1800
RAM_SW0
—
0
1