Cirrus Logic CS8130 - Manual (Page 5)

VA+ VD+
AGND
PINC
PINA
LED1C
LED2C
TGND1
TGND2 DGND CLKFR
PWRDN
D/C
TXD
XTALOUT
XTALIN
FORM/BSY
RXD
CS8130
To LED
10
µ
F
+3.0V supply
TGND1, 2
0.1
µ
F
Ferrite
Bead
10 Ω
PIN
Diode
0.1
µ
F
+ Supply
LED1
R1 TBD
Ω
R2 TBD Ω
RxD
CTS
UART
TxD
DTR
System
Control
3.6864 MHz or 1.8432 MHz.
Can also use an external
clock at 3.6864 MHz
or 1.8432 MHz
+
RESET
EXTCLK
LED2
Use: LED1/R1
or:LED1/R1 & R2
or: LED1/R1 &
LED2/R2
For 2 LED, +5V supply systems,
connect 2 LEDs in series. Use R1 & R2
to give programmable output level.
RTS
+
47 µ F
CLKFR low for 3.6864 MHz clock
CLKFR high for 1.8432 MHz clock
Figure 1. Recommended Connection Diagram
CS8130
DS134PP2 5
CS8130
DS134F1 5