MC908SR12CBE Freescale Semiconductor, MC908SR12CBE Datasheet - Page 378
MC908SR12CBE
Manufacturer Part Number
MC908SR12CBE
Description
IC MCU 12K FLASH 8MHZ 42-SDIP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908SR12MFAE.pdf
(404 pages)
Specifications of MC908SR12CBE
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C, SCI
Peripherals
LVD, POR, PWM, Temp Sensor
Number Of I /o
29
Program Memory Size
12KB (12K x 8)
Program Memory Type
FLASH
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 11x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
42-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC908SR12CBE
Manufacturer:
YAMAHA
Quantity:
560
Part Number:
MC908SR12CBE
Manufacturer:
FREESCALE
Quantity:
20 000
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Electrical Specifications
24.10 5.0V Oscillator Characteristics
Data Sheet
378
Notes:
Internal oscillator clock frequency
External reference clock to OSC1
Crystal reference frequency
Crystal load capacitance
Crystal fixed capacitance
Crystal tuning capacitance
Feedback bias resistor
Series resistor
External RC clock frequency
External resistor
External capacitor
1. No more than 10% duty cycle deviation from 50%.
2. Fundamental mode crystals only.
3. Consult crystal manufacturer’s data.
4. Not Required for high frequency crystals.
5
4
3
2
1
0
0
(4)
Characteristic
2
(3)
Figure 24-1. RC vs. Bus Frequency (5V @25°C)
(2)
Table 24-8. 5V Oscillator Specifications
(1)
Resistor R
4
Electrical Specifications
EXT
(kΩ)
6
Symbol
f
RCCLK
f
R
C
f
f
XCLK
ICLK
OSC
R
R
C
C
C
EXT
EXT
L
1
2
B
S
C
5V @ 25°C
EXT
= 10 pF
8
MC68HC908SR12•MC68HC08SR12 — Rev. 5.0
19.2k
Min
2M
dc
—
—
—
—
—
—
See
10
2 × C
2 × C
32.768k
Figure 24-1
100k
10M
Typ
24k
10
V
—
—
—
L
L
DD
(25p)
(25p)
f
RCCLK
Freescale Semiconductor
R
EXT
= f
OSC1
4.9152M
28.8k
OP
20M
18M
Max
—
—
—
—
—
—
× 4
MCU
C
EXT
Unit
Hz
Hz
Hz
Hz
pF
Ω
Ω
Ω
F
F
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