MC9S12NE64CPV Freescale Semiconductor, MC9S12NE64CPV Datasheet - Page 432

• Manufacturer Part Number: MC9S12NE64CPV
• Description: IC MCU 25MHZ ETHERNT/PHY 112LQFP
• Manufacturer: Freescale Semiconductor
• Series: HCS12r

Specifications of MC9S12NE64CPV

• Mfg Application Notes: MC9S12NE64 Integrated Ethernet Controller Implementing an Ethernet Interface with the MC9S12NE64 Web Server Development with MC9S12NE64 and Open TCP
• Core Processor: HCS12
• Core Size: 16-Bit
• Speed: 25MHz
• Connectivity: EBI/EMI, Ethernet, I²C, SCI, SPI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 70
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 2.375 V ~ 3.465 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 112-LQFP
• Data Bus Width: 16 bit
• Data Ram Size: 8 KB
• Interface Type: I2C, SCI, SPI
• Maximum Clock Frequency: 25 MHz
• Number Of Programmable I/os: 70
• Number Of Timers: 16 bit
• Operating Supply Voltage: - 0.3 V to + 3 V
• Maximum Operating Temperature: + 105 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 65 C
• On-chip Adc: 10 bit
• For Use With: EVB9S12NE64E - BOARD EVAL FOR 9S12NE64DEMO9S12NE64E - DEMO BOARD FOR 9S12NE64
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: No RoHS Version Available

Chapter 16 Module Mapping Control (MMCV4)
16.3.2.7
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.
432
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
16-9.
= Unimplemented or Reserved
Table
eep_sw1:eep_sw0
—
16-8.
0
6
RAM Space
Allocated
10K bytes
Figure 16-9. Memory Size Register 0 (MEMSIZ0)
2K bytes
4K bytes
6K bytes
8K bytes
Table 16-8. Allocated EEPROM Memory Space
00
01
10
11
Table 16-9. Allocated RAM Memory Space
Table 16-7. MEMSIZ0 Field Descriptions
EEP_SW1
MC9S12NE64 Data Sheet, Rev. 1.1
—
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