Specifications

I-ii EPSON S1C62N82 TECHNICAL HARDWARE
CONTENTS
CHAPTER 4 PERIPHERAL CIRCUITS AND OPERATION ...................... I-14
4.1 Memory Map .................................................................. I-14
4.2 Oscillation Circuit............................................................ I-22
OSC1 oscillation circuit........................................... I-22
OSC3 oscillation circuit........................................... I-23
Configuration of oscillation circuit........................... I-24
Control of oscillation circuit .................................... I-25
4.3 Input Ports (K00–K03, K10) ........................................... I-27
Configuration of input ports .................................... I-27
Input comparison registers and interrupt function .. I-28
Mask option ............................................................ I-31
Control of input ports.............................................. I-32
4.4 Output Ports (R00–R03, R10–R12) ............................... I-36
Configuration of output ports .................................. I-36
Mask option ............................................................ I-37
Control of output ports............................................ I-39
4.5 I/O Ports (P00–P03) ....................................................... I-41
Configuration of I/O port ........................................ I-41
I/O control register and I/O mode........................... I-41
Mask option ............................................................ I-42
Control of I/O port .................................................. I-42
4.6 LCD Driver...................................................................... I-45
Configuration of LCD driver..................................... I-45
Switching between dynamic and static drive............ I-48
Mask option (segment allocation)............................. I-49
Control of LCD driver .............................................. I-51
4.7 Clock Timer .................................................................... I-53
Configuration of clock timer .................................... I-53
Interrupt function ................................................... I-54
Control of clock timer.............................................. I-55