MC68HC908JK3CDW Freescale Semiconductor, MC68HC908JK3CDW Datasheet - Page 24

• Manufacturer Part Number: MC68HC908JK3CDW
• Description: IC MCU 8MHZ 4K FLASH 20-SOIC
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908JK3CDW

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Peripherals: LED, LVD, POR, PWM
• Number Of I /o: 15
• Program Memory Size: 4KB (4K x 8)
• Program Memory Type: FLASH
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.3 V
• Data Converters: A/D 12x8b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Connectivity: -

ADC[0:7]/
ADC[11:8]/
PTB[0:7]
PTD[0:3]
RST, IRQ1: PIN HAS INTERNAL 30K PULL-UP
PTD[6:7]: PINS HAVE 25mA OPEN-DRAIN OUTPUT & PROGRAMMABLE 5K PULL-UP
PTA[0:5], PTD[2:3], PTD[6:7]: PIN HAS LED DRIVE
PTA[0:6]: PINS HAVE PROGRAMMABLE KEYBOARD INTERRUPT AND PULL-UP
PTA[0:5] and PTD[0:1]: NOT AVAILABLE ON 20-PIN DEVICES – MC68H(R)C908JK3/JK1
128 BYTES RAM
CPU REGISTERS
COND CODE REG
CPU CONTROL
PTD[0:7]
DDRD
PTD
Figure 1-1. MCU Block Diagram
PROGRAM COUNTER
68HC08 CPU
MC68H(R)C908JL3/JK3: 4096 BYTES
STK PNTR
MC68H(R)C908JK1: 1536 BYTES
V 1 1
USER FLASH
INDEX REG
ACCUM
ALU
H
PTB[0:7]
DDRB
I N Z C
PTB
VOLTAGE REGULATOR
SYSTEM INTEGRATION
X-TAL OSCILLATOR
POWER-ON RESET
RC-OSCILLATOR
POWER SUPPLY
TIMER MODULE
MONITOR ROM
MODE SELECT
960 BYTES
MODULE
MODULE
MODULE
MODULE
MODULE
BREAK
16-BIT
AND
COP
OR
TCH0/PTD4
TCH1/PTD5
VDD
VSS
OSC2/RCCLK/PTA6
OSC1
RST
IRQ1