MC68HC908JK3CDW Freescale Semiconductor, MC68HC908JK3CDW Datasheet - Page 198

• Manufacturer Part Number: MC68HC908JK3CDW
• Description: IC MCU 8MHZ 4K FLASH 20-SOIC
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908JK3CDW

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Peripherals: LED, LVD, POR, PWM
• Number Of I /o: 15
• Program Memory Size: 4KB (4K x 8)
• Program Memory Type: FLASH
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.3 V
• Data Converters: A/D 12x8b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Connectivity: -

Electrical Specifications
18.8 5V Oscillator Characteristics
Technical Data
196
14
12
10
Crystal frequency, XTALCLK
RC oscillator frequency, RCCLK
External clock
Crystal load capacitance
Crystal fixed capacitance
Crystal tuning capacitance
Feedback bias resistor
Series resistor
RC oscillator external R
RC oscillator external C
8
6
4
2
0
reference frequency
NOTES:
1. No more than 10% duty cycle deviation from 50%
2. Consult crystal vendor data sheet
3. Not Required for high frequency crystals
0
Characteristic
Table 18-6. Oscillator Component Specifications (5V)
(2), (3)
10
Figure 18-1. RC vs. Frequency (5V @25°C)
(1)
(2)
(2)
(2)
Resistor, R
20
Electrical Specifications
f
f
Symbol
OSCXCLK
OSCXCLK
f
RCCLK
EXT
R
C
C
C
C
R
R
EXT
EXT
L
1
2
B
S
30
(kΩ)
C
5V @ 25°C
EXT
Min
dc
—
—
—
—
—
—
—
2
40
= 10 pF
See
10 MΩ
2 × C
2 × C
Typ
Figure 18-1
10
10
10
—
—
—
L
L
50
V
MC68H(R)C908JL3
DD
Max
32
12
32
—
—
—
—
—
—
Freescale Semiconductor
R
EXT
OSC1
MHz
MHz
MHz
Unit
pF
MCU
C
EXT
—
Rev. 1.1