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MC68HC908GR4A

Features: • Standard features• Features of the CPU08• 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...

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SeekIC No. : 004416509 Detail

MC68HC908GR4A: Features: • Standard features• Features of the CPU08• High-performance M68HC08 architecture optimized for C-compilers• Fully upward-compatible object code with M6805, M146805...

MC68HC908GR4A Data Sheet

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Part Number:
MC68HC908GR4A
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

• Standard features
• Features of the CPU08
• 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 3.0-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)
• 7680 bytes of on-chip FLASH memory on the MC68HC908GR8A and 4096 byes of on-chip FLASH
   memory on the MC68HC908GR4A with in-circuit programming capabilities of FLASH program
   memory.
• 384 bytes of on-chip random-access memory (RAM)
• 544 bytes of FLASH programming routines read-only memory (ROM)
• Serial peripheral interface (SPI) module
• Serial communications interface (SCI) module
• One 16-bit, 2-channel timer (TIM1) and one 16-bit, 1-channel timer (TIM2) interface modules with
   selectable input capture, output compare, and pulse-width modulation (PWM) capability on each
   channel
• Up to 6-channel, 8-bit successive approximation analog-to-digital converter (ADC) depending on
   package choice
• BREAK (BRK) module to allow single breakpoint setting during in-circuit debugging
• Internal pullups on IRQ and RST to reduce system cost
• Up to 21 general-purpose input/output (I/O) pins
• 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.
• High current 10-mA sink/source capability on all port pins
• Higher current 15-mA sink/source capability on PTC0PTC1
• Timebase module (TBM) 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
• User selection of having the oscillator enabled or disabled during stop mode
• 4-bit keyboard wakeup port
• Available packages:
32-pin low-profile quad flat pack (LQFP)
28-pin plastic dual in-line package (DIP)
28-pin small outline integrated circuit (SOIC)
• Specific features of the MC68HC908GR8A in 28-pin DIP and 28-pin SOIC are:
Port B is only 4 bits: PTB0PTB3; 4-channel ADC module
No port C bits
Features of the CPU08 include:
• Enhanced HC05 programming model
• Extensive loop control functions
• 16 addressing modes (eight more than the HC05)
• 16-bit index register and stack pointer
• Memory-to-memory data transfers
• Fast 8 * 8 multiply instruction
• Fast 16/8 divide instruction
• Binary-coded decimal (BCD) instructions
• Optimization for controller applications
• Efficient C language support


Pinout

Connection Diagram


Specifications

Characteristic 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 VDD, VSS, and PTC0PTC I ± 15 mA
Maximum current for pins PTC0PTC1 IPTC0PTC1 ±25 mA
Storage temperature Imvdd 55 to +150 °C
Maximum current out of VSS IMVSS 150 mA
Maximum current into VDD IMVDD 150 mA



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