MM912F634DV1AER2 Freescale Semiconductor, MM912F634DV1AER2 Datasheet - Page 177
MM912F634DV1AER2
Manufacturer Part Number
MM912F634DV1AER2
Description
16-bit Microcontrollers - MCU DUAL LS/HS SWITCH W. LIN
Manufacturer
Freescale Semiconductor
Datasheet
1.MM912G634DV1AE.pdf
(338 pages)
Specifications of MM912F634DV1AER2
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
4.5 V
Supply Voltage - Min
4.5 V
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Functional Description and Application Information
4.28.1.3
The S12S architecture implements one memory mapping scheme including
4.28.1.4
This subsection lists and briefly describes all operating modes supported by the MMC.
4.28.1.4.1
4.28.1.4.2
4.28.1.5
Figure 47
Freescale Semiconductor
•
•
•
•
•
A (CPU or BDM) 64 kByte local map, defined using specific resource page (PPAGE) register and the default instruction
set. The 64 Kilobytes visible at any instant can be considered as the local map accessed by the 16-bit (CPU or BDM)
address.
Run mode
MMC is functional during normal run mode.
Wait mode
MMC is functional during wait mode.
Stop mode
MMC is inactive during stop mode.
Single chip modes
In normal and special single chip mode the internal memory is used.
shows a block diagram of the MMC.
S12S Memory Mapping
Modes of Operation
Block Diagram
Power Saving Modes
Functional Modes
MMC
Figure 47. MMC Block Diagram External Signal Description
BDM
Address Decoder & Priority
Target Bus Controller
FLASH
RAM
CPU
Peripherals
Memory Mapping Control (S12SMMCV1)
DBG
MM912F634
177
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