MC9S12XD256VAG Freescale Semiconductor, MC9S12XD256VAG Datasheet - Page 1121
MC9S12XD256VAG
Manufacturer Part Number
MC9S12XD256VAG
Description
IC MCU 256K FLASH 144-LQFP
Manufacturer
Freescale Semiconductor
Series
HCS12r
Datasheet
1.MC9S12XD64CAA.pdf
(1348 pages)
Specifications of MC9S12XD256VAG
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
119
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
14K x 8
Voltage - Supply (vcc/vdd)
2.35 V ~ 5.5 V
Data Converters
A/D 24x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 105°C
Package / Case
144-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Price
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27.3.2.7
The FCMD register is the Flash command register.
All CMDB bits are readable and writable during a command write sequence while bit 7 reads 0 and is not
writable.
27.3.2.8
The FCTL register is the Flash control register.
All bits in the FCTL register are readable but are not writable.
Freescale Semiconductor
CMDB[6:0]
Reset
Reset
Field
6-0
W
W
R
R
Flash Command — Valid Flash commands are shown in
listed in
NV7
Flash Command Register (FCMD)
Flash Control Register (FCTL)
F
0
1
7
7
Table 27-18
= Unimplemented or Reserved
= Unimplemented or Reserved
NV6
1
F
6
6
Figure 27-14. Flash Command Register (FCMD)
sets the ACCERR flag in the FSTAT register.
Figure 27-15. Flash Control Register (FCTL)
Table 27-18. Valid Flash Command List
Table 27-17. FCMD Field Descriptions
CMDB[6:0]
MC9S12XDP512 Data Sheet, Rev. 2.21
0x05
0x06
0x20
0x40
0x41
0x47
NV5
F
0
5
5
NV4
0
F
4
4
Sector Erase Abort
Description
NVM Command
Data Compress
Word Program
Sector Erase
Erase Verify
Mass Erase
CMDB
Table
NV3
Chapter 27 512 Kbyte Flash Module (S12XFTX512K4V2)
F
0
3
3
27-18. Writing any command other than those
NV2
0
F
2
2
NV1
F
0
1
1
NV0
0
F
0
0
1123
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