Cirrus Logic CS8130 - Manual (Page 17)

Register 8, Baud Rate Divider Register #1
D3 D2 D1 D0
BR3 BR2 BR1 BR0
0 1 1 1
Register
Reset (R)
BIT NAME VALUE FUNCTION
BR7-0 Baud Rate Divider
Value (BRD).
BRD=(3.6864E6/
(16*BR))-1,
where BRD =
divider value and
BR = desired baud
rate. 01011111
00101111
00010111
00001011
00001001
00000010
00000001
95
47
23 R
11
5
2
1 2400 bps
4800 bps
9600 bps
19.2 kbps
38.4 kbps
76.8 kbps
115.2 kbps
Register 9, Baud Rate Divider Register #2
D3 D2 D1 D0
BR7 BR6 BR5 BR4
0 0 0 1
Register
Reset (R)
Register 10, Modulator Divider Register #1
D3 D2 D1 D0
MD3 MD2 MD1 MD0
0 1 1 0
Register
Reset (R)
BIT NAME VALUE FUNCTION
MD7-0 Modulator Divider
Value (MD).
MD=(3.6864E6/FR)-
1, where MD =
divider value and
FR = desired
modulation
frequency. 01100000
00000110 96
6
R
38 kHz
527kHz
The transmitted modulation frequency will be exact. The receive carrier detection frequency can be
slightly different from the programmed frequency (see Receive ASK Carrier Timing Register).
Register 11, Modulator Divider Register #2
D3 D2 D1 D0
MD7 MD6 MD5 MD4
0 0 0 0
Register
Reset (R)
CS8130
DS134PP2 17
CS8130
DS134F1 17