MM912F634DV1AE Freescale Semiconductor, MM912F634DV1AE Datasheet - Page 180
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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
Table 243. DIRECT Field Descriptions
Freescale Semiconductor
DP[15:8]
Field
7–0
MOVB
LDY
Direct Page Index Bits 15–8 — These bits are used by the CPU when performing accesses using the direct addressing mode.
The bits from this register form bits [15:8] of the address (see
Example 1. This Example Demonstrates Usage of the Direct Addressing Mode
#0x80,DIRECT
<00
Bit17
Bit16
Bit15
Figure 50. Direct Address Mapping
;Set DIRECT register to 0x80. Write once only.
;Global data accesses to the range 0xXX_80XX can be direct.
;Logical data accesses to the range 0x80XX are direct.
;Load the Y index register from 0x8000 (direct access).
;< operator forces direct access on some assemblers but in
;many cases assemblers are “direct page aware” and can
;automatically select direct mode.
Global Address [17:0]
DP [15:8]
Description
CPU Address [15:0]
Figure
Bit8
50).
Bit7
Memory Mapping Control (S12SMMCV1)
Bit0
MM912F634
180
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