MC908MR8MPE Freescale Semiconductor, MC908MR8MPE Datasheet - Page 123

• Manufacturer Part Number: MC908MR8MPE
• Description: IC MCU 8BIT 8K FLASH 28-PDIP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC908MR8MPE

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI
• Peripherals: LVD, POR, PWM
• Number Of I /o: 12
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 28-DIP (0.600", 15.24mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

8.5 I/O Signals
8.5.1 Crystal Amplifier Input Pin (OSC1)
8.5.2 Crystal Amplifier Output Pin (OSC2)
8.5.3 External Filter Capacitor Pin (CGMXFC)
MC68HC908MR8 — Rev 4.1
Freescale Semiconductor
NOTE:
The following paragraphs describe the CGM input/output (I/O) signals.
The OSC1 pin is an input to the crystal oscillator amplifier.
The OSC2 pin is the output of the crystal oscillator inverting amplifier.
The CGMXFC pin is required by the loop filter to filter out phase
corrections. A small external capacitor is connected to this pin.
To prevent noise problems, C
CGMXFC pin as possible, with minimum routing distances and no
routing of other signals across the C
*R
Refer to manufacturer’s data.
S
can be 0 (shorted) when used with higher-frequency crystals.
SIMOSCEN
Clock Generator Module (CGM)
OSC1
C1
Figure 8-3. CGM External Connections
R
X1
B
OSC2
R
C2
S
*
F
should be placed as close to the
CGMXCLK
F
connection.
V
SS
Clock Generator Module (CGM)
CGMXFC
C
F
Technical Data
I/O Signals
V
C
DDA
BYP
V
DD
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