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MC68HC908GR32A
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DataSheet
General Description
MC68HC908GR32A Maximum Ratings
|
Characteristic(1) |
Symbol |
Value |
Unit |
| Supply Voltage |
VDD |
0.3 to +6.0 |
V |
| Input Voltage |
VIN |
VSS0.3 to VDD+0.3 |
V |
| Maximum current per pin excluding those specified below |
I |
± 15 |
mA |
| Maximum current for pins PTC0PTC4 |
LPTCO-PTC4 |
±25 |
mA |
| Maximum current into VDD |
Imvdd |
150 |
mA |
| Maximum current out of VSS |
Imvss |
150 |
mA |
| Storage temperature |
Tstg |
55 to +150 |
°C |
MC68HC908GR32A Features
• High-performance M68HC08 architecture optimized for C-compilers
• Fully upward-compatible object code with M6805, M146805, and M68HC05 Families
• 8-MHz internal bus frequency
• Clock generation module supporting 1-MHz to 8-MHz crystals
• FLASH program memory security(1)
• On-chip programming firmware for use with host personal computer which does not require high voltage for entry
• In-system programming (ISP)
• System protection features:
Optional computer operating properly (COP) reset
Low-voltage detection with optional reset and selectable trip points for 3.3-V and 5.0-V operation
Illegal opcode detection with reset
Illegal address detection with reset
• Low-power design; fully static with stop and wait modes
• Standard low-power modes of operation:
Wait mode
Stop mode
• Master reset pin and power-on reset (POR)
• On-chip FLASH memory:
MC68HC908GR60A - 60 Kbytes
MC68HC908GR48A - 48 Kbytes
MC68HC908GR32A - 32 Kbytes
• Random-access memory (RAM):
MC68HC908GR60A - 2048 bytes
MC68HC908GR48A - 1536 bytes
MC68HC908GR32A - 1536 bytes
• Serial peripheral interface (SPI) module
• Enhanced serial communications interface (ESCI) module
• One 16-bit, 2-channel timer interface module (TIM1) with selectable input capture, output compare,and pulse-width modulation (PWM) capability on each channel
• One 16-bit, 6-channel timer interface module (TIM2) with selectable input capture, output compare,and pulse-width modulation (PWM) capability on each channel
• Timebase module with clock prescaler circuitry for eight user selectable periodic real-time interrupts with optional active clock source during stop mode for periodic wakeup from stop using an external crystal
• 24-channel, 10-bit successive approximation analog-to-digital converter (ADC)
• 8-bit keyboard wakeup port with software selectable rising or falling edge detect, as well as high or low level detection
• Up to 53 general-purpose input/output (I/O) pins, including:
40 shared-function I/O pins, depending on package choice
Up to 13 dedicated I/O pins, depending on package choice
• Selectable pullups on inputs only on ports A, C, and D. Selection is on an individual port bit basis.During output mode, pullups are disengaged.
• Internal pullups on IRQ and RST to reduce customer system cost
• High current 10-mA sink/source capability on all port pins
• Higher current 20-mA sink/source capability on PTC0PTC4 and PTF0PTF3
• User selectable clockout feature with divide by 1, 2, and 4 of the bus or crystal frequency
• User selection of having the oscillator enabled or disabled during stop mode
• BREAK module (BRK) to allow single breakpoint setting during in-circuit debugging
• Available packages:
32-pin low-profile quad flat pack (LQFP)
48-pin low-profile quad flat pack (LQFP)
64-pin quad flat pack (QFP)
• Specific features in 32-pin LQFP are:
Port A is only 4 bits: PTA0PTA3; shared with ADC and KBI modules
Port B is only 6 bits: PTB0PTB5; shared with ADC module
Port C is only 2 bits: PTC0PTC1
Port D is only 7 bits: PTD0PTD6; shared with SPI, TIM1 and TIM2 modules
Port E is only 2 bits: PTE0PTE1; shared with ESCI module
• Specific features in 48-pin LQFP are:
Port A is 8 bits: PTA0PTA7; shared with ADC and KBI modules
Port B is 8 bits: PTB0PTB7; shared with ADC module
Port C is only 7 bits: PTC0PTC6
Port D is 8 bits: PTD0PTD7; shared with SPI, TIM1, and TIM2 modules
Port E is only 6 bits: PTE0PTE5; shared with ESCI module
• Specific features in 64-pin QFP are:
Port A is 8 bits: PTA0PTA7; shared with ADC and KBI modules
Port B is 8 bits: PTB0PTB7; shared with ADC module
Port C is only 7 bits: PTC0PTC6
Port D is 8 bits: PTD0PTD7; shared with SPI, TIM1, andTIM2 modules
Port E is only 6 bits: PTE0PTE5; shared with ESCI module
Port F is 8 bits: PTF0PTF7; shared with TIM2 module
Port G is 8 bits; PTG0PTG7; shared with ADC module
• Fully upward-compatible object code with M6805, M146805, and M68HC05 Families
• 8-MHz internal bus frequency
• Clock generation module supporting 1-MHz to 8-MHz crystals
• FLASH program memory security(1)
• On-chip programming firmware for use with host personal computer which does not require high voltage for entry
• In-system programming (ISP)
• System protection features:
Optional computer operating properly (COP) reset
Low-voltage detection with optional reset and selectable trip points for 3.3-V and 5.0-V operation
Illegal opcode detection with reset
Illegal address detection with reset
• Low-power design; fully static with stop and wait modes
• Standard low-power modes of operation:
Wait mode
Stop mode
• Master reset pin and power-on reset (POR)
• On-chip FLASH memory:
MC68HC908GR60A - 60 Kbytes
MC68HC908GR48A - 48 Kbytes
MC68HC908GR32A - 32 Kbytes
• Random-access memory (RAM):
MC68HC908GR60A - 2048 bytes
MC68HC908GR48A - 1536 bytes
MC68HC908GR32A - 1536 bytes
• Serial peripheral interface (SPI) module
• Enhanced serial communications interface (ESCI) module
• One 16-bit, 2-channel timer interface module (TIM1) with selectable input capture, output compare,and pulse-width modulation (PWM) capability on each channel
• One 16-bit, 6-channel timer interface module (TIM2) with selectable input capture, output compare,and pulse-width modulation (PWM) capability on each channel
• Timebase module with clock prescaler circuitry for eight user selectable periodic real-time interrupts with optional active clock source during stop mode for periodic wakeup from stop using an external crystal
• 24-channel, 10-bit successive approximation analog-to-digital converter (ADC)
• 8-bit keyboard wakeup port with software selectable rising or falling edge detect, as well as high or low level detection
• Up to 53 general-purpose input/output (I/O) pins, including:
40 shared-function I/O pins, depending on package choice
Up to 13 dedicated I/O pins, depending on package choice
• Selectable pullups on inputs only on ports A, C, and D. Selection is on an individual port bit basis.During output mode, pullups are disengaged.
• Internal pullups on IRQ and RST to reduce customer system cost
• High current 10-mA sink/source capability on all port pins
• Higher current 20-mA sink/source capability on PTC0PTC4 and PTF0PTF3
• User selectable clockout feature with divide by 1, 2, and 4 of the bus or crystal frequency
• User selection of having the oscillator enabled or disabled during stop mode
• BREAK module (BRK) to allow single breakpoint setting during in-circuit debugging
• Available packages:
32-pin low-profile quad flat pack (LQFP)
48-pin low-profile quad flat pack (LQFP)
64-pin quad flat pack (QFP)
• Specific features in 32-pin LQFP are:
Port A is only 4 bits: PTA0PTA3; shared with ADC and KBI modules
Port B is only 6 bits: PTB0PTB5; shared with ADC module
Port C is only 2 bits: PTC0PTC1
Port D is only 7 bits: PTD0PTD6; shared with SPI, TIM1 and TIM2 modules
Port E is only 2 bits: PTE0PTE1; shared with ESCI module
• Specific features in 48-pin LQFP are:
Port A is 8 bits: PTA0PTA7; shared with ADC and KBI modules
Port B is 8 bits: PTB0PTB7; shared with ADC module
Port C is only 7 bits: PTC0PTC6
Port D is 8 bits: PTD0PTD7; shared with SPI, TIM1, and TIM2 modules
Port E is only 6 bits: PTE0PTE5; shared with ESCI module
• Specific features in 64-pin QFP are:
Port A is 8 bits: PTA0PTA7; shared with ADC and KBI modules
Port B is 8 bits: PTB0PTB7; shared with ADC module
Port C is only 7 bits: PTC0PTC6
Port D is 8 bits: PTD0PTD7; shared with SPI, TIM1, andTIM2 modules
Port E is only 6 bits: PTE0PTE5; shared with ESCI module
Port F is 8 bits: PTF0PTF7; shared with TIM2 module
Port G is 8 bits; PTG0PTG7; shared with ADC module
MC68HC908GR32A Connection Diagram
MC68HC908GR32A
PDF/DataSheet Download
- Datasheet: MC68HC908GR32A
- File Size: 2054402 KB
- Manufacturer: FREESCALE [Freescale Semiconductor, Inc]
- Click here to Download
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