MC908JB8ADWE Freescale Semiconductor, MC908JB8ADWE Datasheet - Page 37
MC908JB8ADWE
Manufacturer Part Number
MC908JB8ADWE
Description
IC MCU 3MHZ 8K FLASH 28-SOIC
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908JB8JDWE.pdf
(286 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MC908JB8ADWE
Manufacturer:
FREESCALE
Quantity:
20 000
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MC68HC908JB8•MC68HC08JB8•MC68HC08JT8 — Rev. 2.3
Freescale Semiconductor
PTB0–PTB7
PTA0/KBA0
PTA7/KBA7
PIN NAME
OSC1
OSC2
V
RST
V
IRQ
V
REG
DD
SS
:
Power supply.
Power supply ground.
Regulated 3.3V output from MCU.
Reset input; active low.
With internal pullup to V
External IRQ pin; with programmable internal pullup to V
and schmitt trigger input.
Used for mode entry selection.
Crystal oscillator input.
Crystal oscillator output; inverting of OSC1 signal.
8-bit general-purpose I/O port.
Pins as keyboard interrupts, KBA0–KBA7.
Each pin has programmable internal pullup to V
configured as input.
8-bit general-purpose I/O port.
Each pin has programmable internal pullup to V
configured as input.
When the USB module is disabled, the PTE4 and PTE3 pins are
general-purpose bidirectional I/O port pins with 10mA sink capability.
Each pin is open-drain when configured as an output; and each pin
contains a software configurable 5kΩ pullup to V
an input. The PTE4 pin can also be enabled to trigger the IRQ interrupt.
When the USB module is enabled, the PTE4/D– and PTE3/D+ pins
become the USB module D– and D+ pins. The D– pin contains a
software configurable 1.5kΩ pullup to V
Interface Module
(USB)
Summary of the pin functions are provided in
Table 1-1. Summary of Pin Functions
and
PIN DESCRIPTION
DD
Section 12. Input/Output Ports
and schmitt trigger input.
General Description
(TIM),
Section 9. Universal Serial Bus Module
REG
REG
when
when
DD
REG
. (See
(I/O).)
IN/OUT
IN/OUT
IN/OUT
IN/OUT
Table
OUT
OUT
OUT
IN
IN
IN
IN
IN
IN
IN
DD
Section 11. Timer
when configured as
1-1.
VOLTAGE LEVEL
General Description
V
REG
V
Pin Assignments
4.0 to 5.5V
REG
Technical Data
to V
V
V
V
V
V
V
V
V
V
0V
REG
REG
REG
REG
REG
REG
REG
DD
DD
(3.3V)
DD
+V
HI
37
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