Cirrus Logic CS8130 - Manual (Page 20)

Register 19, TV Remote Transmit Bit Rate Divider Register #1
D3 D2 D1 D0
TBR3 TBR2 TBR1 TBR0
1 1 1 1
Register
Reset (R)
BIT NAME VALUE FUNCTION
TBR7-0 TV remote mode
transmit bit rate
register
TBR=
(3.6864E6/(16*RATE))
-1
where TBR is this
register value &
RATE is the desired
transmit bit rate. 01111111 127 R RATE = 1800 bps
Register 20, TV Remote Transmit Bit Rate Divider Register #2
D3 D2 D1 D0
TBR7 TBR6 TBR5 TBR4
0 1 1 1
Register
Reset (R)
Register 21, Control Register #4
D3 D2 D1 D0
OSCE OSCL EXCK SRES
0 0 0 0
Register
Reset (R)
BIT NAME VALUE FUNCTION
OSCE Disable crystal
oscillator in D/C
controlled
power down state 0
1
R In D/C controlled power down state, crystal
oscillator stays running.
In D/C controlled power down state, crystal
oscillator stops.
OSCL Set oscillator in low
power mode 0
1 R Oscillator in normal power, high accuracy, mode.
Oscillator in low power, medium accuracy mode.
EXCK Disable external
clock output driver 0
1 R If crystal is used, enable clock output driver
If crystal is used, disable clock output driver (Hi-Z)
SRES Software Reset 0
1 R Normal operation
Causes a software reset, which forces all registers
into their reset state. If ECHO is true, then the echo
will occur at the current baud rate, before the baud
rate changes to the default value.
CS8130
20 DS134PP2
CS8130
20 DS134F1