MC908JB8ADWE Freescale Semiconductor, MC908JB8ADWE Datasheet - Page 229
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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KBA0
KBA7
MC68HC908JB8•MC68HC08JB8•MC68HC08JT8 — Rev. 2.3
Freescale Semiconductor
TO PULLUP ENABLE
TO PULLUP ENABLE
Addr.
$0016 Keyboard Status and Control
$0017
KBIE0
KBIE7
Keyboard Interrupt Enable
Register Name
.
.
.
(KBSCR)
Register
Register
(KBIER)
Figure 14-1. Keyboard Module Block Diagram
Reset:
Reset:
Read:
Read:
Write:
Write:
Table 14-2. I/O Register Summary
KBIE7
Keyboard Interrupt Module (KBI)
Bit 7
MODEK
0
0
0
V
REG
= Unimplemented
KBIE6
D
CK
6
0
0
0
CLR
Q
KBIE5
INTERRUPT FF
5
0
0
0
KEYBOARD
KBIE4
4
0
0
0
RESET
ACKK
KBIE3
KEYF
3
0
0
VECTOR FETCH
INTERNAL BUS
Keyboard Interrupt Module (KBI)
DECODER
IMASKK
SYNCHRONIZER
ACKK
KBIE2
2
0
0
0
Pin Name Conventions
IMASKK
KBIE1
1
0
0
Technical Data
KEYF
MODEK
KBIE0
Bit 0
Keyboard
Interrupt
Request
0
0
229
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