MC908SR12MFAE Freescale Semiconductor, MC908SR12MFAE Datasheet - Page 103

• Manufacturer Part Number: MC908SR12MFAE
• Description: IC MCU 12K FLASH 8MHZ 48-LQFP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC908SR12MFAE

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: I²C, SCI
• Peripherals: LVD, POR, PWM, Temp Sensor
• Number Of I /o: 31
• Program Memory Size: 12KB (12K x 8)
• Program Memory Type: FLASH
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 14x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 48-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

7.3 Clock Selection
MC68HC908SR12•MC68HC08SR12 — Rev. 5.0
Freescale Semiconductor
Reference clocks are selectable for the following sub-systems:
OSCSEL1
OSCSEL0
•
•
MOR
CGMXCLK and CGMRCLK — Reference clock for clock
generator module (CGM) and other MCU sub-systems other than
TBM and COP. This is the main reference clock for the MCU.
OSCCLK — Reference clock for timebase module (TBM).
X-TAL OSCILLATOR
Figure 7-1. Oscillator Module Block Diagram
OSC1
To CGM and others
X
XCLK
Oscillator (OSC)
MUX
OSC2
CGMXCLK
RC
I
To CGM PLL
RC OSCILLATOR
CGMRCLK
RCCLK
BUS CLOCK
X
To TBM
INTERNAL OSCILLATOR
MUX
OSCCLK
RC
From SIM
Oscillator (OSC)
ICLK
Clock Selection
I
Data Sheet
To SIM
(and COP)
OSCCLK1
OSCCLK0
CONFIG2
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