m5m51016btp Renesas Electronics Corporation., m5m51016btp Datasheet - Page 131

• Manufacturer Part Number: m5m51016btp
• Description: Renesas 16-bit Single-chip Microcomputer M16c Family / M16c/20 Series
• Manufacturer: Renesas Electronics Corporation.

M30245 Group
Rev.2.00 Oct 16, 2006
REJ09B0340-0200
Figure 2.7.3. Frequency synthesizer registers (1)
Frequency Synthesizer Clock Control register
Frequency Synthesizer Control register
0
b7
b7
b6
0
b6
b5
0
b5
b4
b4
0 0
0
b3
b3
0 0
b2
b2
page 122 of 354
b1
b1
b0
b0
FSCCR0
Reserved
FCCR4
Reserved
Note 1: Recommended.
Note 2: Bits 6 and 5 are set to (bit 6,bit 5)=(1,1) at reset. When using the frequency synthesizer,
Bit Symbol
Bit Symbol
FSE
VCO0
VC01
Reserved bit
CHG0
CHG1
LS
Symbol
FSCCR
Symbol
FSC
we recommend to set to (bit 6,bit 5)=(1,0).
LPF current control bit (Note 2)
Frequency synthesizer lock status bit
Clock source selection
Divide-by-3 option
Frequency synthesizer enable bit
VCO gain control bit
Bit Name
Bit Name
Address
Address
03DB
03DC
16
16
0 : Xin
1 : f
Must always be set to “0”
Must always be set to “0”
0 : Normal
1 : Divide-by-3
0 : Disabled
1 : Enabled
b2 b1
0 0 : Lowest gain
0 1 : Low gain
1 0 : High gain (Note 1)
1 1 : Highest gain
b6 b5
0 0 : Disabled
0 1 : Low current
1 0 : Medium current (Note 1)
1 1 : High current
0 : Unlocked
1 : Locked
Must always be set to “0”
When reset
SYN
When reset
00000000
01100000
2. Frequency synthesizer (PLL)
Function
Function
2
2
O
O
O
O
O
O
O
R W
O
O
O
O
R W
O
O
O
O
O
O
O
O
O
O
O