MC908SR12CBE Freescale Semiconductor, MC908SR12CBE Datasheet - Page 139
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
-
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8.9.3 Choosing a Filter
MC68HC908SR12•MC68HC08SR12 — Rev. 5.0
Freescale Semiconductor
As described in
external filter network is critical to the stability and reaction time of the
PLL. The PLL is also dependent on reference frequency and supply
voltage.
Either of the filter networks in
a 32.768kHz reference clock (CGMRCLK).
applications requiring better stability.
applications where stability is not critical.
Clock Generator Module (CGM)
0.033 µF
8.9.2 Parametric Influences on Reaction
10 kΩ
CGMXFC
(a)
Figure 8-10. PLL Filter
V
SSA
Figure 8-10
0.01 µF
Figure 8-10
Acquisition/Lock Time Specifications
is recommended when using
Figure 8-10
Clock Generator Module (CGM)
CGMXFC
V
SSA
(b)
(b) is used in low-cost
0.47 µF
(a) is used for
Time, the
Data Sheet
139
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