MC68HC908GP20 Datasheet, PDF (110/406 Pages) Freescale Semiconductor, Inc – M68HC08 Microcontrollers

OSC2
OSCILLATOR (OSC)
OSC1
SIMOSCEN (FROM SIM)
OSCSTOPENB
(FROM CONFIG)
CGMXCLK
(TO: SIM, TIMTB15A, ADC)
PHASE-LOCKED LOOP (PLL)
CGMRDV
REFERENCE
DIVIDER
CGMRCLK
RDS3–RDS0
V_DDA CGMXFC
BCS
CLOCK
SELECT
CIRCUIT
A
÷ 2 _{B S*}
V_SSA
*WHEN S = 1,
CGMOUT = B
VPR1–VPR0
VRS7–VRS0
CGMOUT
(TO SIM)
SIMDIV2
(FROM SIM)
PHASE
DETECTOR
LOCK
DETECTOR
LOOP
FILTER
VOLTAGE
CONTROLLED
OSCILLATOR
PLL ANALOG
AUTOMATIC
MODE
CONTROL
INTERRUPT
CONTROL
CGMVCLK
LOCK
AUTO ACQ
PLLIE PLLF
MUL11–MUL0
PRE1–PRE0
CGMVDV
FREQUENCY
DIVIDER
FREQUENCY
DIVIDER
PLLIREQ
(TO SIM)
Figure 7-1. CGMC Block Diagram
Advance Information
110
MC68HC908GP20 — Rev 2.1
Freescale Semiconductor