MC908JB8JDWE Freescale Semiconductor, MC908JB8JDWE Datasheet - Page 31

• Manufacturer Part Number: MC908JB8JDWE
• Description: IC MCU 8K FLASH 3MHZ 20-SOIC
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC908JB8JDWE

• 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)
• 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: 5.5 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: 13
• 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
USER FLASH MEMORY — 8,192 BYTES
CPU
USER FLASH VECTORS — 16 BYTES
MONITOR ROM — 976 BYTES
USER RAM — 256 BYTES
M68HC08 CPU
INTERNAL VOLTAGE REGULATOR
SYSTEM INTEGRATION
OSCILLATOR
ARITHMETIC/LOGIC
MODULE
MODULE
POWER
IRQ
UNIT (ALU)
Figure 1-1. MCU Block Diagram
(1) Pins have 5V logic.
(2) Pins have integrated pullup device.
(3) Pins have software configurable pullup 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
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)