mc68hc908mr32 Freescale Semiconductor, Inc, mc68hc908mr32 Datasheet - Page 58

• Manufacturer Part Number: mc68hc908mr32
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Clock Generator Module (CGM)
58
$005C
$005D
$005E
Addr.
SIMOSCEN
OSC2
OSC1
PLL Bandwidth Control Register
CGMRDV
Register Name
PLL Programming Register
DETECTOR
DETECTOR
CGMVDV
PHASE
LOCK
LOCK
PLL Control Register
CRYSTAL OSCILLATOR
See page 66.
See page 67.
See page 68.
MC68HC908MR32 • MC68HC908MR16 Data Sheet, Rev. 6.1
(PBWC)
(PCTL)
(PPG)
V
Figure 4-2. CGM I/O Register Summary
DDA
CGMRCLK
Figure 4-1. CGM Block Diagram
AUTO
Reset:
Reset:
Reset:
Read:
Read:
Read:
Write:
Write:
Write:
FREQUENCY
BANDWIDTH
CONTROL
CGMXFC
MUL[7:4]
DIVIDER
FILTER
LOOP
PLLIE
AUTO
MUL7
Bit 7
ACQ
R
0
0
0
PLL ANALOG
V
= Reserved
SS
LOCK
MUL6
PLLF
R
R
6
0
0
1
CIRCUIT
SELECT
CLOCK
PLLIE
BCS
CONTROLLED
OSCILLATOR
INTERRUPT
CONTROL
CGMVCLK
VOLTAGE
VRS[7:4]
PLLON
MUL5
ACQ
5
1
0
1
PLLF
÷ 2
MUL4
BCS
XLD
4
0
0
0
A
B S*
VRS7
R
R
3
1
1
0
0
0
*WHEN S = 1, CGMOUT = B
CGMXCLK
VRS6
CGMOUT
CGMINT
Freescale Semiconductor
R
R
2
1
1
0
0
1
USER MODE
PTC2
MONITOR MODE
VRS5
TO SIM
TO SIM
R
R
1
1
1
0
0
1
VRS4
Bit 0
R
R
1
1
0
0
0