MC912DG128ACPV Freescale Semiconductor, MC912DG128ACPV Datasheet - Page 143

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MC912DG128ACPV

Manufacturer Part Number
MC912DG128ACPV
Description
IC MCU 128K FLASH 8MHZ 112-LQFP
Manufacturer
Freescale Semiconductor
Series
HC12r
Datasheet

Specifications of MC912DG128ACPV

Core Processor
CPU12
Core Size
16-Bit
Speed
8MHz
Connectivity
CAN, I²C, SCI, SPI
Peripherals
POR, PWM, WDT
Number Of I /o
69
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 16x8/10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
112-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

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ITST2 — Interrupt Test Register 2
ITST3 — Interrupt Test Register 3
ITST0 — Interrupt Test Register 0
ITST1 — Interrupt Test Register 1
10.8 Resets
10.8.1 Power-On Reset
MC68HC912DT128A — Rev 4.0
MOTOROLA
RESET:
RESET:
RESET:
RESET:
ITC6
Bit 7
Bit 7
ITB6
ITE6
ITD6
Bit 7
Bit 7
0
0
0
0
ITC8
ITB8
ITE8
ITD8
6
0
6
0
6
0
6
0
These registers can only be read in special modes (read in normal mode
will return $00). Reading these registers at the same time as the interrupt
is changing will cause an indeterminate value to be read. These
registers can only be written in special mode.
There are four possible sources of reset. Power-on reset (POR), and
external reset on the RESET pin share the normal reset vector. The
computer operating properly (COP) reset and the clock monitor reset
each has a vector. Entry into reset is asynchronous and does not require
a clock but the MCU cannot sequence out of reset without a system
clock.
A positive transition on V
voltage level detector, or other external reset circuits, are the usual
Freescale Semiconductor, Inc.
For More Information On This Product,
ITCA
ITEA
ITDA
ITBA
5
0
5
0
5
0
5
0
Go to: www.freescale.com
Resets and Interrupts
ITDC
ITCC
ITEC
ITBC
4
0
4
0
4
0
4
0
DD
ITEE
ITDE
ITCE
ITBE
causes a power-on reset (POR). An external
3
0
3
0
3
0
3
0
ITF0
ITE0
ITD0
ITC0
2
0
2
0
2
0
2
0
ITF2
ITE2
ITC2
ITD2
1
0
1
0
1
0
1
0
Resets and Interrupts
ITF4
Bit 0
ITE4
Bit 0
ITD4
ITC4
Bit 0
Bit 0
0
0
0
0
Technical Data
$001A
$001B
Resets
$0018
$0019
143

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