MM912F634DV1AE Freescale Semiconductor, MM912F634DV1AE Datasheet - Page 271
MM912F634DV1AE
Manufacturer Part Number
MM912F634DV1AE
Description
16-bit Microcontrollers - MCU DUAL LS/HS SWITCH W. LIN
Manufacturer
Freescale Semiconductor
Datasheet
1.MM912G634DV1AE.pdf
(338 pages)
Specifications of MM912F634DV1AE
Rohs
yes
Core
HCS12
Processor Series
MM912F634
Data Bus Width
16 bit
Maximum Clock Frequency
20 MHz
Program Memory Size
32 KB
Data Ram Size
2 KB
On-chip Adc
Yes
Operating Supply Voltage
4.5 V to 5.5 V
Operating Temperature Range
- 40 C to + 105 C
Package / Case
LQFP-48
Mounting Style
SMD/SMT
A/d Bit Size
10 bit
A/d Channels Available
15
Interface Type
SPI
Maximum Operating Temperature
+ 105 C
Minimum Operating Temperature
- 40 C
Number Of Programmable I/os
6
Number Of Timers
1
Program Memory Type
Flash
Supply Voltage - Max
5.5 V
Supply Voltage - Min
4.5 V
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MM912F634DV1AE
Manufacturer:
FREESCALE
Quantity:
20 000
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Functional Description and Application Information
4.36.3
This section describes the Flash array map, Flash IFR map, and Flash register map shown in
4.36.3.1
The MCU memory map places the Flash array addresses between Flash array base + 0x0000 and 0x7FFF.
4.36.3.1.1
During the reset sequence, the contents of the 16 byte Flash configuration field are read to set Flash memory protection and
Flash security features. The Flash configuration field starts at Flash array base + 0x7F00, as shown in
Freescale Semiconductor
Table 348. Flash Configuration Field
Address Relative to Flash
0x7F08 - 0x7F0C
0x7F00 - 0x7F07
Array Base
0x7F0D
Memory Map and Register Definition
Flash Array Map
Flash Configuration Field Description
FLASH REGISTER BASE + 0x000F
FLASH REGISTER BASE + 0x0000
FLASH ARRAY BASE + 0x7FFF
FLASH ARRAY BASE + 0x0000
FLASH IFR BASE + 0x007F
FLASH IFR BASE + 0x0000
(bytes)
Size
8
5
1
Backdoor Key
Refer to
Reserved
Flash Protection byte
Refer to
Figure 84. Flash Memory Map
Section 4.36.6.1, “Unsecuring the MCU Using Backdoor Key
Section 4.36.3.3.5, “Flash Protection Register
Flash Registers
16 bytes
Flash IFR
128 bytes
Flash Array
32 kbytes
Flash Configuration Field
16 bytes (+0x7F00 to +0x7F0F)
Description
32 kbyte Flash Module (S12SFTSR32KV1)
(FPROT)"”
Figure
84.
Table
Access"”
348.
MM912F634
271
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