MC68HC908JK8CP Freescale Semiconductor, MC68HC908JK8CP Datasheet - Page 18

• Manufacturer Part Number: MC68HC908JK8CP
• Manufacturer: Freescale Semiconductor

Specifications of MC68HC908JK8CP

• Cpu Family: HC08
• Device Core Size: 8b
• Frequency (max): 8MHz
• Interface Type: SCI
• Program Memory Type: Flash
• Program Memory Size: 8KB
• Total Internal Ram Size: 256Byte
• # I/os (max): 15
• Number Of Timers - General Purpose: 4
• Operating Supply Voltage (typ): 3.3/5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 2.7V
• On-chip Adc: 13-chx8-bit
• Instruction Set Architecture: CISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Through Hole
• Pin Count: 20
• Package Type: PDIP
• Lead Free Status / Rohs Status: Not Compliant

General Description
Features of the CPU08 include the following:
1.3 MCU Block Diagram
Figure 1-1
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Resident routines for in-circuit programming and EEPROM emulation
System protection features:
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Master reset pin with internal pull-up and power-on reset
IRQ with schmitt-trigger input and programmable pull-up
20-pin dual in-line package (PDIP), 20-pin small outline integrated package (SOIC), 28-pin PDIP,
28-pin SOIC, 32-pin shrink dual in-line package (SDIP), and 32-pin low-profile quad flat pack
(LQFP)
Specific features of the MC68HC908JL8 in 28-pin packages are:
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Specific features of the MC68HC908JL8 in 20-pin packages are:
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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
11 LED drivers (sink)
2 × 25mA open-drain I/O with pull-up
Optional computer operating properly (COP) reset, driven by internal RC oscillator
Optional low-voltage detection with reset and selectable trip points for 3V and 5V operation
Illegal opcode detection with reset
Illegal address detection with reset
23 general-purpose I/Os only
7 keyboard interrupt with internal pull-up
10 LED drivers (sink)
12-channel ADC
Timer I/O pins on TIM1 only
15 general-purpose I/Os only
1 keyboard interrupt with internal pull-up
4 LED drivers (sink)
10-channel ADC
Timer I/O pins on TIM1 only
shows the structure of the MC68HC908JL8.
MC68HC908JL8/JK8 • MC68HC08JL8/JK8 • MC68HC908KL8 Data Sheet, Rev. 3.1
Freescale Semiconductor