MC68HC908LJ12CFU Freescale Semiconductor, MC68HC908LJ12CFU Datasheet - Page 95

• Manufacturer Part Number: MC68HC908LJ12CFU
• Description: IC MCU 12K FLASH 8MHZ 64-QFP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908LJ12CFU

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: IRSCI, SPI
• Peripherals: LCD, LVD, POR, PWM
• Number Of I /o: 32
• Program Memory Size: 12KB (12K x 8)
• Program Memory Type: FLASH
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Data Converters: A/D 6x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

7.1 Contents
7.2 Introduction
MC68HC908LJ12
Freescale Semiconductor
Technical Data — MC68HC908LJ12
—
Rev. 2.1
7.2
7.3
7.4
7.5
7.5.1
7.5.2
7.5.3
7.5.4
7.5.5
7.5.6
7.6
7.6.1
7.6.2
7.7
The oscillator module provides the reference clock for the clock
generator module (CGM), the real time clock module (RTC), and other
MCU sub-systems.
The oscillator module consist of two types of oscillator circuits:
•
•
Internal RC oscillator
Crystal (x-tal) oscillator
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Internal Oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Crystal (X-tal) Oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Low Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Oscillator During Break Mode. . . . . . . . . . . . . . . . . . . . . . . . . . 99
I/O Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Crystal Amplifier Input Pin (OSC1). . . . . . . . . . . . . . . . . . . . 98
Crystal Amplifier Output Pin (OSC2) . . . . . . . . . . . . . . . . . . 98
Oscillator Enable Signal (SIMOSCEN). . . . . . . . . . . . . . . . . 98
Internal RC Clock (ICLK) . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
CGM Oscillator Clock (CGMXCLK) . . . . . . . . . . . . . . . . . . . 98
CGM Reference Clock (CGMRCLK) . . . . . . . . . . . . . . . . . . 98
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .99
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .99
Oscillator (OSC)
Section 7. Oscillator (OSC)
Technical Data
95