MC68HC908JB8JDW Freescale Semiconductor, MC68HC908JB8JDW Datasheet - Page 279

• Manufacturer Part Number: MC68HC908JB8JDW
• Description: IC MCU 8K FLASH 3MHZ 20-SOIC
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908JB8JDW

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 3MHz
• Connectivity: USB
• Peripherals: LVD, POR, PWM
• Number Of I /o: 13
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 20-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Data Converters: -

(1), (2)
(1), (3)
(3.3 V)
OSC1
OSC2
V
RST
IRQ
V
V
REG
CONTROL AND STATUS REGISTERS — 64 BYTES
DD
SS
REGISTERS
CPU
USER ROM VECTORS — 16 BYTES
MONITOR ROM — 464 BYTES
USER ROM — 8,192 BYTES
USER RAM — 256 BYTES
M68HC08 CPU
INTERNAL VOLTAGE REGULATOR
SYSTEM INTEGRATION
OSCILLATOR
ARITHMETIC/LOGIC
MODULE
MODULE
POWER
IRQ
UNIT (ALU)
Figure B-1. MC68HC08JT8 Block Diagram
DISABLED
(1) Pins have 5V logic.
(2) Pins have integrated pullup device.
(3) Pins have software configurable pull-up device.
(4) Pins are open-drain when configured as output.
(5) Pins have 10mA sink capability.
(6) Pins have 25mA sink capability.
DISABLED
NOT AVAILABLE
COMPUTER OPERATING PROPERLY
Shaded blocks indicate differences to MC68HC908JB8
KEYBOARD INTERRUPT
LOW VOLTAGE INHIBIT
USB ENDPOINT 0, 1, 2
TIMER INTERFACE
POWER-ON RESET
INTERNAL BUS
MODULE
MODULE
MODULE
MODULE
MODULE
MODULE
MODULE
BREAK
USB
PTA7/KBA7
PTA0/KBA0
PTB7–PTB0
PTC7–PTC0
PTE4
PTE3
PTE2/TCH1
PTE1/TCH0
PTE0/TCLK
PTD7–PTD6
PTD5–PTD2
PTD1–PTD0
:
(3) (4) (5)
(3) (4) (5)
(3)
(3)
(3)
(3)
(3)
(3)
(3)
(4)
(4) (5)
(4) (6)