MM912F634DV1AER2 Freescale Semiconductor, MM912F634DV1AER2 Datasheet - Page 146
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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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Table 191. ADC Status Register (ASR)
Table 193. ADC Conversion Control Register (ACCR)
Note:
Functional Description and Application Information
4.19.4.2.2
Offset
134.
4.19.4.2.3
Note:
Freescale Semiconductor
Offset
135.
Table 190. ACR - Register Field Descriptions (continued)
Table 192. ACR - Register Field Descriptions
Reset
Reset
4 - ADCRST
W
R
6 - 2p5CLF
W
CCNT3…0
R
(134)
PS2…0
7 - SCF
(135)
Offset related to 0x0200 for blocking access and 0x300 for non blocking access within the global address space.
Offset related to 0x0200 for blocking access and 0x300 for non blocking access within the global address space.
Field
Field
2-0
3-0
0x81
0x82 (0x82 and 0x83 for 8-Bit access)
CH15
15
0
SCF
7
0
Analog Digital Converter RESET
0 - Analog Digital Converter in Normal Operation
1 - Analog Digital Converter in Reset Mode, all ADC registers will reset to initial values. The bit has to be cleared to allow
ADC operation.
ADC Clock Prescaler Select (D2DCLK to ADCCLK divider)
000 - 10
001 - 8
010 - 6
011 - 4
100 - 2
101 - 1
110 - 1
111 - 1
Sequence Complete Flag. Reading the ADC Status Register (ASR) will clear the Flag.
ADC Reference Voltage Current Limitation Flag
Conversion Counter Status. The content of CCNT reflects the current channel in conversion and the conversion of CCNT-1
being complete. The conversion order is CH15, CH0, CH1,..., CH14.
ADC Status Register (ASR)
ADC Conversion Control Register (ACCR)
CH14
14
0
13
0
0
2p5CLF
6
0
CH12
12
0
CH11
11
0
0
0
5
CH10
10
0
CH9
0
9
0
0
4
CH8
0
8
Description
Description
CH7
0
7
CCNT3
1
3
CH6
0
6
CH5
5
0
CCNT2
1
2
CH4
Analog Digital Converter - ADC
0
4
CH3
0
3
CCNT1
1
1
Access: User read/write
Access: User read/write
CH2
0
2
MM912F634
CH1
1
0
CCNT0
0
1
CH0
0
0
146
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