MC908JB8ADWE Freescale Semiconductor, MC908JB8ADWE Datasheet - Page 96

IC MCU 3MHZ 8K FLASH 28-SOIC

MC908JB8ADWE

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

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

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System Integration Module (SIM)
8.3 SIM Bus Clock Control and Generation
Technical Data
96
Addr.
$FE00
$FE01
$FE02
$FE03
$FE04 Interrupt Status Register 1
Note: Writing a logic 0 clears SBSW.
Break Status Register
Reset Status Register
Register Name
Break Flag Control
Reserved Read:
Register
(BFCR)
(INT1)
(RSR)
(BSR)
The bus clock generator provides system clock signals for the CPU and
peripherals on the MCU. The system clocks are generated from an
incoming clock, OSCOUT, as shown in
Reset:
Reset:
Reset:
Read:
Write:
Read:
Write:
Write:
Read:
Write:
Read:
Write:
POR:
Figure 8-2. SIM I/O Register Summary
BCFE
Bit 7
POR
IF6
R
R
R
1
0
0
System Integration Module (SIM)
FROM CLOCK
FROM CLOCK
DOUBLER
DOUBLER
PIN
IF5
R
R
R
R
6
0
0
Figure 8-3. SIM Clock Signals
MC68HC908JB8•MC68HC08JB8•MC68HC08JT8 — Rev. 2.3
OSCXCLK
OSCOUT
COP
IF4
R
R
R
R
5
0
0
ILOP
IF3
R
R
R
R
4
0
0
÷ 2
SIM COUNTER
SIM
Figure
ILAD
IF2
R
R
R
R
3
0
0
GENERATORS
BUS CLOCK
8-3.
USB
IF1
Freescale Semiconductor
R
R
R
R
2
0
0
See note
SBSW
LVI
R
R
R
1
0
0
0
0
Bit 0
R
R
R
R
0
0
0
0

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