MC908JB8ADWE Freescale Semiconductor, MC908JB8ADWE Datasheet - Page 271

• Manufacturer Part Number: MC908JB8ADWE
• Description: IC MCU 3MHZ 8K FLASH 28-SOIC
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC908JB8ADWE

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 3MHz
• Connectivity: USB
• Peripherals: LVD, POR, PWM
• Number Of I /o: 21
• 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: 28-SOIC (7.5mm Width)
• Processor Series: HC08JB
• Core: HC08
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: USB
• Maximum Clock Frequency: 3 MHz
• Number Of Programmable I/os: 37
• Number Of Timers: 2
• Operating Supply Voltage: 5.25 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Development Tools By Supplier: FSICEBASE, DEMO908GZ60E, M68EML08GZE, KITUSBSPIDGLEVME, KITUSBSPIEVME, KIT33810EKEVME
• Minimum Operating Temperature: 0 C
• Controller Family/series: HC08
• No. Of I/o's: 21
• Ram Memory Size: 256Byte
• Cpu Speed: 8MHz
• No. Of Timers: 1
• Embedded Interface Type: SCI, SPI
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

(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 A-1. MC68HC08JB8 Block Diagram
(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.
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/D–
PTE3/D+
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)