SI3201-GSR Silicon Laboratories Inc, SI3201-GSR Datasheet - Page 109
SI3201-GSR
Manufacturer Part Number
SI3201-GSR
Description
SLIC 3.3V/3.3V/3.3V/5V/5V/5V
Manufacturer
Silicon Laboratories Inc
Datasheet
1.SI3201-GSR.pdf
(122 pages)
Specifications of SI3201-GSR
Lead Free Status / Rohs Status
Compliant
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4.4. FSK Control
For detailed instructions on FSK signal generation, refer to “Application Note 32: FSK Generation” (AN32). These
registers support enhanced FSK generation mode, which is enabled by setting FSKEN = 1 (direct Register 108,
bit 6) and REL = 1 (direct Register 32, bit 6).
Addr.
Addr. D15
69
70
71
72
73
74
69
70
71
72
73
74
FSK Amplitude Coefficient for Space.
When FSKEN = 1 and REL = 1, this register sets the amplitude to be used when gener-
ating a space or 0. When the active timer (OAT1) expires, the value of this register is
loaded into oscillator 1 instead of OSC1X.
FSK Frequency Coefficient for Space.
When FSKEN = 1 and REL = 1, this register sets the frequency to be used when gener-
ating a space or 0. When the active timer (OAT1) expires, the value of this register is
loaded into oscillator 1 instead of OSC1.
FSK Amplitude Coefficient for Mark.
When FSKEN = 1 and REL = 1, this register sets the amplitude to be used when gener-
ating a mark or 1. When the active timer (OAT1) expires, the value of this register is
loaded into oscillator 1 instead of OSC1X.
FSK Frequency Coefficient for Mark.
When FSKEN = 1 and REL = 1, this register sets the frequency to be used when gener-
ating a mark or 1. When the active timer (OAT1) expires, the value of this register is
loaded into oscillator 1 instead of OSC1.
FSK Transition Parameter from 0 to 1.
When FSKEN = 1 and REL = 1, this register defines a gain correction factor that is
applied to signal amplitude when transitioning from a space (0) to a mark (1).
FSK Transition Parameter from 1 to 0.
When FSKEN = 1 and REL = 1, this register defines a gain correction factor that is
applied to signal amplitude when transitioning from a mark (1) to a space (0).
D14
D13
Table 43. FSK Control Indirect Registers Description
Table 42. FSK Control Indirect Registers Summary
D12
D11
D10
Description
D9
Rev. 1.0
FSK0X[15:0]
FSK1X[15:0]
FSK01[15:0]
FSK10[15:0]
FSK0[15:0]
FSK1[15:0]
D8
D7
D6
D5
D4
D3
D2
Reference Page
39 and AN32
39 and AN32
39 and AN32
39 and AN32
39 and AN32
39 and AN32
Si3216
D1
D0
109
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