MC908SR12CBE Freescale Semiconductor, MC908SR12CBE Datasheet - Page 126
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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Clock Generator Module (CGM)
8.5.1 External Filter Capacitor Pin (CGMXFC)
8.5.2 PLL Analog Power Pin (V
8.5.3 PLL Analog Ground Pin (V
8.5.4 Oscillator Output Frequency Signal (CGMXCLK)
8.5.5 CGM Reference Clock (CGMRCLK)
Data Sheet
126
NOTE:
NOTE:
NOTE:
The CGMXFC pin is required by the loop filter to filter out phase
corrections. An external filter network is connected to this pin. (See
Figure
To prevent noise problems, the filter network should be placed as close
to the CGMXFC pin as possible, with minimum routing distances and no
routing of other signals across the network.
V
V
Route V
capacitors as close as possible to the package.
V
the V
Route V
capacitors as close as possible to the package.
CGMXCLK is the oscillator output signal. It runs at the full speed of the
oscillator, and is generated directly from the crystal oscillator circuit, the
RC oscillator circuit, or the internal oscillator circuit.
CGMRCLK is a buffered version of CGMXCLK, this clock is the
reference clock for the phase-locked-loop circuit.
DDA
DDA
SSA
SSA
is a ground pin used by the analog portions of the PLL. Connect
is a power pin used by the analog portions of the PLL. Connect the
pin to the same voltage potential as the V
8-3.)
DDA
SSA
pin to the same voltage potential as the V
DDA
Clock Generator Module (CGM)
SSA
carefully for maximum noise immunity and place bypass
carefully for maximum noise immunity and place bypass
)
)
MC68HC908SR12•MC68HC08SR12 — Rev. 5.0
DD
Freescale Semiconductor
pin.
SS
pin.
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