MC68HC908SR12CB Freescale Semiconductor, MC68HC908SR12CB Datasheet - Page 9

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MC68HC908SR12CB

Manufacturer Part Number
MC68HC908SR12CB
Description
IC MCU 12K FLASH 8MHZ 42-SDIP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet

Specifications of MC68HC908SR12CB

Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C, SCI
Peripherals
LVD, POR, PWM, Temp Sensor
Number Of I /o
29
Program Memory Size
12KB (12K x 8)
Program Memory Type
FLASH
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 11x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
42-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-

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MC68HC908SR12•MC68HC08SR12 — Rev. 5.0
Freescale Semiconductor
6.1
6.2
6.3
6.4
6.4.1
6.4.2
6.4.3
6.4.4
6.4.5
6.5
6.6
6.6.1
6.6.2
6.7
6.8
6.9
7.1
7.2
7.3
7.3.1
7.3.2
7.4
7.5
7.6
7.7
7.7.1
7.7.2
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
CPU Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Arithmetic/Logic Unit (ALU) . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
CPU During Break Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Instruction Set Summary
Opcode Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .101
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Clock Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Internal Oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
RC Oscillator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
X-tal Oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
I/O Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
Accumulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Index Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Stack Pointer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Program Counter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Condition Code Register . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .88
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .89
CGM Reference Clock Selection . . . . . . . . . . . . . . . . . . . . 104
TBM Reference Clock Selection . . . . . . . . . . . . . . . . . . . . 105
Crystal Amplifier Input Pin (OSC1). . . . . . . . . . . . . . . . . . . 108
Crystal Amplifier Output Pin (OSC2) . . . . . . . . . . . . . . . . . 109
Section 6. Central Processor Unit (CPU)
Table of Contents
Section 7. Oscillator (OSC)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Table of Contents
Data Sheet
9

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