MC908JB8ADWE Freescale Semiconductor, MC908JB8ADWE Datasheet - Page 165
![IC MCU 3MHZ 8K FLASH 28-SOIC](/photos/12/16/121605/mc908jb8adwe_sml.jpg)
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
NOTES:
1. Affects high voltage entry to monitor mode only (SW2 at position C):
2. SW2: Position C — High-voltage entry to monitor mode.
3. SW3: Position E — OSC1 directly driven by external oscillator.
SW2: Position D — Low-voltage entry to monitor mode (with blank reset vector).
See
SW3: Position F — OSC1 driven by crystal oscillator circuit.
DB-25
10 µF
10 µF
SW1: Position A — Bus clock = f
SW1: Position B — Bus clock = f
2
3
7
Section 18
+
+
1
3
4
2
5
6
for IRQ voltage level requirements.
MC145407
XCLK
XCLK
Figure 10-1. Monitor Mode Circuit
20
18
17
19
16
15
(SEE NOTE 2)
÷ 2
+
+
10 µF
10 µF
10k Ω
Monitor ROM (MON)
V
V
DD
DD
V
6MHz
DD
20 pF
10k Ω
1
2
6
4
7
V
DD
C
D
6MHz
MC74LCX125
+ V
HI
(SEE NOTE 3)
4.7 µF
SW2
20 pF
(SEE NOTE 1)
+
14
3
5
0.1 µF
E
F
E
F
3.3V
10 kΩ
SW3
A
B
3.3V
0.1 µF
10 kΩ
SW1
0.1 µF
10 kΩ
10 kΩ
f
V
XCLK
DD
3.3V
Functional Description
3.3V
Monitor ROM (MON)
Technical Data
RST
HC908JB8
IRQ
V
V
V
OSC1
OSC2
PTA3
PTA0
PTA1
PTA2
REG
DD
SS
165
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