MC68HC908AB32CFU Freescale Semiconductor, MC68HC908AB32CFU Datasheet - Page 9
MC68HC908AB32CFU
Manufacturer Part Number
MC68HC908AB32CFU
Description
IC MCU 8MHZ 32K FLASH 64-QFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908AB32CFUE.pdf
(392 pages)
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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