MC68HC908AB32CFU Freescale Semiconductor, MC68HC908AB32CFU Datasheet - Page 9

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MC68HC908AB32CFU

Manufacturer Part Number
MC68HC908AB32CFU
Description
IC MCU 8MHZ 32K FLASH 64-QFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet

Specifications of MC68HC908AB32CFU

Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
SCI, SPI
Peripherals
POR, PWM
Number Of I /o
51
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 8x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

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MC68HC908AB32
Freescale Semiconductor
Rev. 1.1
8.6
8.6.1
8.6.1.1
8.6.1.2
8.6.2
8.6.3
8.6.4
8.7
8.7.1
8.7.2
8.8
8.8.1
8.8.2
8.8.3
9.1
9.2
9.3
9.4
9.4.1
9.4.2
9.4.2.1
9.4.2.2
9.4.2.3
9.4.2.4
9.4.2.5
9.4.3
9.4.4
9.5
9.5.1
9.5.2
9.5.3
9.5.4
Exception Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .118
Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
SIM Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .131
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .133
I/O Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Break Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Status Flag Protection in Break Mode . . . . . . . . . . . . . . . . 123
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .124
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .125
SIM Break Status Register . . . . . . . . . . . . . . . . . . . . . . . . . 127
SIM Reset Status Register . . . . . . . . . . . . . . . . . . . . . . . . . 128
SIM Break Flag Control Register . . . . . . . . . . . . . . . . . . . . 129
Section 9. Clock Generator Module (CGM)
Crystal Oscillator Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . .134
Phase-Locked Loop (PLL) Circuit . . . . . . . . . . . . . . . . . . . 135
Base Clock Selector Circuit . . . . . . . . . . . . . . . . . . . . . . . . 140
CGM External Connections . . . . . . . . . . . . . . . . . . . . . . . . 140
Crystal Amplifier Input Pin (OSC1). . . . . . . . . . . . . . . . . . . 142
Crystal Amplifier Output Pin (OSC2) . . . . . . . . . . . . . . . . . 142
External Filter Capacitor Pin (CGMXFC) . . . . . . . . . . . . . . 142
PLL Analog Power Pin (V
Hardware Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
SWI Instruction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
PLL Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Acquisition and Tracking Modes . . . . . . . . . . . . . . . . . . 136
Manual and Automatic PLL Bandwidth Modes . . . . . . . 136
Programming the PLL . . . . . . . . . . . . . . . . . . . . . . . . . . 138
Special Programming Exceptions . . . . . . . . . . . . . . . . . 139
Table of Contents
DDA
) . . . . . . . . . . . . . . . . . . . . . . 142
Table of Contents
Technical Data
9

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