SN8P2318 Series
C-type LCD, RFC 8-Bit Micro-Controller
SONiX TECHNOLOGY CO., LTD
Page 12
Version 1.5
Oscillator shared pin structure:
XIN:
Pin Name
Oscillator Code Option
Description
XIN
RC, 4M X’tal, 12M X’tal,
PLL_16M
Oscillator input pin.
Pull-Up
Resistor
Output
Latch
Pin
PnUR
PnM
I/O Input Bus
I/O Output
Bus
PnM
High_Clk
Code Option
High Speed
Oscillator Driver
XOUT/FCPUO/P0.4:
Pin Name
Oscillator Code Option
Description
XOUT
4M X’tal, 12M X’tal
Oscillator output pin.
FCPUO
RC
Fcpu signal output pin to measure RC frequency for adjusting RC parameters.
P0.4
PLL_16M
GPIO mode.
Pull-Up
Resistor
Output
Latch
Pin
PnUR
PnM
PnM
High_Clk
Code Option
High Speed
Oscillator Driver
Fcpu
Signal
I/O Input Bus
I/O Output
Bus
LXIN:
Pin Name
Oscillator Code Option
Description
LXIN
RC, 32K X’tal
Oscillator input pin.
Pin
Low_Clk
Code Option
32K X’tal Driver
RC Driver
LXOUT/FLO:
Pin Name
Oscillator Code Option
Description
LXOUT
32K X’tal
Oscillator output pin.
FLO
RC
Flosc signal output pin to measure RC frequency for adjusting RC parameters.
Pin
Low_Clk
Code Option
32K X’tal Driver
Flosc signal