MC68HC908LJ12CFU Freescale Semiconductor, MC68HC908LJ12CFU Datasheet - Page 104

• Manufacturer Part Number: MC68HC908LJ12CFU
• Description: IC MCU 12K FLASH 8MHZ 64-QFP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908LJ12CFU

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: IRSCI, SPI
• Peripherals: LCD, LVD, POR, PWM
• Number Of I /o: 32
• Program Memory Size: 12KB (12K x 8)
• Program Memory Type: FLASH
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Data Converters: A/D 6x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Clock Generator Module (CGM)
Technical Data
104
SIMOSCEN
From SIM
OSC2
OSC1
CGMVDV
CGMRDV
RDS[3:0]
DETECTOR
DETECTOR
PHASE
R
LOCK
LOCK
See
REFERENCE
OSCILLATOR (OSC) MODULE
FREQUENCY
DIVIDER
MUL[11:0]
DIVIDER
CRYSTAL OSCILLATOR
Section 7. Oscillator
INTERNAL RC OSC
PHASE-LOCKED LOOP (PLL)
N
V
DDA
AUTO
Figure 8-1. CGM Block Diagram
AUTOMATIC
CGMRCLK
CGMXFC
CONTROL
FILTER
MODE
LOOP
Clock Generator Module (CGM)
(OSC).
ACQ
PLL ANALOG
V
FREQUENCY
ICLK
CGMXCLK
CGMRCLK
SSA
PRE[1:0]
DIVIDER
VRS[7:0]
PLLIE
CONTROLLED
2
OSCILLATOR
INTERRUPT
P
CONTROL
VOLTAGE
CGMPCLK
L
RESET: A
VPR[1:0]
A
B
CGMVCLK
PLLF
1
BCS
S
2
E
CGMPCLK
÷
2
RESET: A
A
B
1
S
MC68HC908LJ12
BASE
CLOCK
SELECT
CIRCUIT
Freescale Semiconductor
USER MODE:
CGMOUT = B
A
B
1
To SIM (and COP)
T0 RTC, ADC, LCD
S
CGMINT
To SIM
—
CGMOUT
From SIM
SIMDIV2
CONFIG2
DIV2CLK
Rev. 2.1
To SIM