MC908SR12CFAE Freescale Semiconductor, MC908SR12CFAE Datasheet - Page 145
![IC MCU 12K FLASH 8MHZ 48-LQFP](/photos/12/45/124574/mc908sr12cfae_sml.jpg)
MC908SR12CFAE
Manufacturer Part Number
MC908SR12CFAE
Description
IC MCU 12K FLASH 8MHZ 48-LQFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908SR12MFAE.pdf
(404 pages)
Specifications of MC908SR12CFAE
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)
2.7 V ~ 5.5 V
Data Converters
A/D 14x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
48-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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MC908SR12CFAE
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9.3.1 Bus Timing
9.3.2 Clock Start-up from POR or LVI Reset
MC68HC908SR12•MC68HC08SR12 — Rev. 5.0
Freescale Semiconductor
STOP MODE CLOCK
ENABLE SIGNALS
FROM CONFIG2
OSC2
OSC1
PHASE-LOCKED LOOP (PLL)
OSCILLATOR (OSC) MODULE
CGMRCLK
In user mode, the internal bus frequency is either the oscillator output
(CGMXCLK) divided by four or the divided PLL output (CGMPCLK)
divided by four.
When the power-on reset module or the low-voltage inhibit module
generates a reset, the clocks to the CPU and peripherals are inactive
and held in an inactive phase until after the 4096 ICLK cycle POR
timeout has completed. The RST pin is driven low by the SIM during this
entire period. The IBUS clocks start upon completion of the timeout.
Figure 9-3. CGM Clock Signals
System Integration Module (SIM)
CGMOUT
SIMDIV2
OSCCLK
CGMXCLK
ICLK
CGMVCLK
SYSTEM INTEGRATION MODULE
SIM COUNTER
÷ 2
TO PWM
TO TBM
TO TIM, ADC
SIM Bus Clock Control and Generation
System Integration Module (SIM)
GENERATORS
BUS CLOCK
USER MODE
MONITOR MODE
Data Sheet
SIMOSCEN
PTC1
IT12
TO REST
OF MCU
IT23
TO REST
OF MCU
145
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