MC68HC908GR8CFA Freescale Semiconductor, MC68HC908GR8CFA Datasheet - Page 19

• Manufacturer Part Number: MC68HC908GR8CFA
• Description: IC MCU FLSH 8BIT8MHZ 7.5K32-LQFP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908GR8CFA

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI, SPI
• Peripherals: LVD, POR, PWM
• Number Of I /o: 21
• Program Memory Size: 7.5KB (7.5K x 8)
• Program Memory Type: FLASH
• Ram Size: 384 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 6x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Technical Data — MC68HC908GR8
MC68HC908GR8 — Rev 4.0
MOTOROLA
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Freescale Semiconductor, Inc.
For More Information On This Product,
MCU Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
QFP Pin Assignments. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
DIP And SOIC Pin Assignments. . . . . . . . . . . . . . . . . . . . . . . . 31
Power Supply Bypassing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Memory Map. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Control, Status, and Data Registers . . . . . . . . . . . . . . . . . . . . . 39
Internal Reset Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Power-On Reset Recovery . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
SIM Reset Status Register (SRSR) . . . . . . . . . . . . . . . . . . . . . 65
Interrupt Stacking Order . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67
Interrupt Recognition Example . . . . . . . . . . . . . . . . . . . . . . . . . 68
Interrupt Processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Interrupt Status Register 1 (INT1). . . . . . . . . . . . . . . . . . . . . . .76
Interrupt Status Register 2 (INT2). . . . . . . . . . . . . . . . . . . . . . .76
Interrupt Status Register 3 (INT3). . . . . . . . . . . . . . . . . . . . . . .77
ADC Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
ADC Status and Control Register (ADSCR) . . . . . . . . . . . . . . . 85
ADC Data Register (ADR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
ADC Clock Register (ADCLK) . . . . . . . . . . . . . . . . . . . . . . . . . 88
Break Module Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 92
I/O Register Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Break Status and Control Register (BRKSCR). . . . . . . . . . . . . 95
Break Address Register High (BRKH) . . . . . . . . . . . . . . . . . . . 96
Break Address Register Low (BRKL) . . . . . . . . . . . . . . . . . . . . 96
SIM Break Status Register (SBSR) . . . . . . . . . . . . . . . . . . . . . 96
SIM Break Flag Control Register (SBFCR) . . . . . . . . . . . . . . . 98
CGMC Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
CGMC External Connections . . . . . . . . . . . . . . . . . . . . . . . . . 111
CGMC I/O Register Summary . . . . . . . . . . . . . . . . . . . . . . . . 114
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