MC68HC908LD64 Datasheet, PDF (101/362 Pages) Freescale Semiconductor, Inc – Microcontrollers

Clock Generator Module (CGM)
Functional Description
OSC2
OSC1
OSCILLATOR (OSC)
(See Section 7. Oscillator (OSC).)
÷2
SIMOSCEN
(FROM SIM)
PHASE-LOCKED LOOP (PLL)
HVOCR[1:0]
CGMRDV
REFERENCE
DIVIDER
OSCRCLK
BCS
V_DDA
CGMXFC
V_SSA
OSCOUT
OSCXCLK
(TO SIM)
CLOCK
SELECT
CIRCUIT
DCLK1
(TO SYNC PROCESSOR)
PHASE
DETECTOR
LOCK
DETECTOR
VRS[7:4]
L
LOOP
FILTER
VOLTAGE
CONTROLLED
OSCILLATOR
PLL ANALOG
BANDWIDTH
CONTROL
INTERRUPT
CONTROL
CGMINT
(TO SIM)
LOCK
CGMVDV
AUTO ACQ
MUL[7:4]
N
FREQUENCY
DIVIDER
PLLIE PLLF
CGMVCLK
Figure 8-1. CGM Block Diagram
MC68HC908LD64 — Rev. 3.0
Freescale Semiconductor
Clock Generator Module (CGM)
Data Sheet
101