MC68HC908SR12CFA Freescale Semiconductor, MC68HC908SR12CFA Datasheet - Page 101

• Manufacturer Part Number: MC68HC908SR12CFA
• Description: MICROCONTROLLER 48 PIN
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908SR12CFA

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: I²C, SCI
• Peripherals: LVD, POR, PWM, Temp Sensor
• Number Of I /o: 31
• 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 14x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Other names: Q1145673

7.1 Contents
MC68HC908SR12•MC68HC08SR12 — Rev. 5.0
Freescale Semiconductor
Data Sheet — MC68HC908SR12•MC68HC08SR12
7.2
7.3
7.3.1
7.3.2
7.4
7.5
7.6
7.7
7.7.1
7.7.2
7.7.3
7.7.4
7.7.5
7.7.6
7.8
7.8.1
7.8.2
7.9
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Clock Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Internal Oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
RC Oscillator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
X-tal Oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
I/O Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
Low Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
Oscillator During Break Mode. . . . . . . . . . . . . . . . . . . . . . . . . 110
CGM Reference Clock Selection . . . . . . . . . . . . . . . . . . . . 104
TBM Reference Clock Selection . . . . . . . . . . . . . . . . . . . . 105
Crystal Amplifier Input Pin (OSC1). . . . . . . . . . . . . . . . . . . 108
Crystal Amplifier Output Pin (OSC2) . . . . . . . . . . . . . . . . . 109
Oscillator Enable Signal (SIMOSCEN). . . . . . . . . . . . . . . . 109
CGM Oscillator Clock (CGMXCLK) . . . . . . . . . . . . . . . . . . 109
CGM Reference Clock (CGMRCLK) . . . . . . . . . . . . . . . . . 109
Oscillator Clock to Time Base Module (OSCCLK) . . . . . . . 109
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .110
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .110
Oscillator (OSC)
Section 7. Oscillator (OSC)
Data Sheet
101