STW81100 STMicroelectronics, STW81100 Datasheet - Page 18

• Manufacturer Part Number: STW81100
• Description: MULTI-BAND RF FREQUENCY SYNTHESIZER
• Manufacturer: STMicroelectronics

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STW81100
Table 16.
Table 17. Functional_Mode
FUNCTIONAL_MODE register is used to select different functional mode for the STW81100 synthesizer
according to the following table:
Table 18.
Table 19. B_COUNTER
B[8:1] Counter value (bit B0 in the next register)
18/23
MSB
MSB
PD7
B8
b7
b7
Decimal value
HEX CODE
0
1
2
3
4
5
6
7
8
9
0x00
0x01
0x02
0x03
0x04
0x05
PD6
B7
b6
b6
Power down mode
Enable VCO A, output frequency divided by 2
Enable VCO B, output frequency divided by 2
Enable external VCO, output frequency divided by 2
Enable VCO A, output frequency divided by 4
Enable VCO B, output frequency divided by 4
Enable external VCO, output frequency divided by 4
Enable VCO A, direct output
Enable VCO B, direct output
Enable external VCO, direct output
PD5
B6
b5
b5
DEC CODE
PD4
0
1
2
3
4
5
b4
b4
B5
PD3
FUNCTIONAL_MODE
B_COUNTER
A_COUNTER
REF_DIVIDER
CALIBRATION
CONTROL
B4
b3
b3
Description
PD2
B3
b2
b2
DESCRIPTION
PD1
b1
b1
B2
LSB
PD0
LSB
B1
b0
b0