MC9S12XDT256CAA Freescale Semiconductor, MC9S12XDT256CAA Datasheet - Page 1047

• Manufacturer Part Number: MC9S12XDT256CAA
• Description: IC MCU 256K FLASH 80-QFP
• Manufacturer: Freescale Semiconductor
• Series: HCS12r

Specifications of MC9S12XDT256CAA

• Core Processor: HCS12X
• Core Size: 16-Bit
• Speed: 80MHz
• Connectivity: CAN, EBI/EMI, I²C, IrDA, LIN, SCI, SPI
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 59
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 2.35 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 80-QFP
• Processor Series: S12XD
• Core: HCS12
• Data Bus Width: 16 bit
• Data Ram Size: 16 KB
• Interface Type: CAN/I2C/SCI/SPI
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 59
• Number Of Timers: 12
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWHCS12
• Development Tools By Supplier: EVB9S12XDP512E
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8-ch x 10-bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

25.3.2.7
The ECMD register is the EEPROM command register.
All CMDB bits are readable and writable during a command write sequence while bit 7 reads 0 and is not
writable.
25.3.2.8
This register is reserved for factory testing and is not accessible.
All bits read 0 and are not writable.
Freescale Semiconductor
CMDB[6:0]
EEPROM Address Registers (EADDR)
Reset
Reset
Field
6:0
W
W
R
R
EEPROM Command Bits — Valid EEPROM commands are shown in
than those listed in
EEPROM Command Register (ECMD)
RESERVED3
0
0
0
0
7
7
= Unimplemented or Reserved
= Unimplemented or Reserved
0
0
0
6
6
Figure 25-11. EEPROM Command Register (ECMD)
Table 25-8
Table 25-8. Valid EEPROM Command List
CMDB[6:0]
Table 25-7. ECMD Field Descriptions
MC9S12XDP512 Data Sheet, Rev. 2.21
0x05
0x20
0x40
0x41
0x47
0x60
sets the ACCERR flag in the ESTAT register.
0
0
0
5
5
Figure 25-12. RESERVED3
0
0
0
4
4
Sector Erase Abort
Description
Word Program
Sector Modify
Sector Erase
Erase Verify
Mass Erase
Command
CMDB
Chapter 25 2 Kbyte EEPROM Module (S12XEETX2KV1)
0
0
0
3
3
Table
0
0
0
2
2
25-8. Writing any command other
0
0
0
1
1
0
0
0
0
0
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