SC9308
Ports PA/B configured three registers. Data register PORTx latches the output data, direction register TRISx
controls the dataflow direction (set 1 to be output). PUA register and TRISA register can implement input pull-up
or output open-drain of port A. PB has only 5 pins, port PC of PUB register is controlled by 3 registers, TRISC
realizes direction selection, PORTC stores output data, APCON realizes the switch of analog channel and digital
channel.
Register PORTx is readable/writable. When PORTx is set as output, read the last writing data of this register;
when it is set as input, read the pin state.
Display Driver
LCD module can drive maximum 14 SEG x 4 COM LCD board. It is mainly composed of the following parts:
¾
¾
¾
¾
Control circuit
8 display data memory registers are all readable/writable
14 SEG outputs
4 COM outputs
Each SEG can be used as common I/O port.
HANGZHOU MICROELECTRONICS CO.,LTD
REV:1.1
2008.10.20
Http://www.silan.com.cn
Page 12 of 17
SILAN [ SILAN MICROELECTRONICS JOINT-STOCK ]
