EM78P468S datasheet(4/94 Pages) EMC

4 / 94 page

Contents



Product Specification (V1.0) 07.28.2016

6.2.4

IOC70, P7CR (Port 7 I/O Control Register) ...................................................... 29

6.2.5

IOC80, P8CR (Port 8 I/O Control Register) ...................................................... 29

6.2.6

IOC90, RAM_ADDR (128 Bytes RAM Address) ............................................... 29

6.2.7

IOCA0, RAM_DB (128 Bytes RAM Data Buffer)............................................... 30

6.2.8

IOCB0, CNT1PR (Counter 1 Preset Register).................................................. 30

6.2.9

IOCC0, CNT2PR (Counter 2 Preset Register) ................................................. 30

6.2.10 IOCD0, HPWTPR (High-Pulse Width Timer Preset Register) .......................... 31

6.2.11 IOCE0, LPWTPR (Low-Pulse Width Timer Preset Register)............................ 31

6.2.12 IOCF0, IMR (Interrupt Mask Register) .............................................................. 31

6.2.13 IOC61, WUCR (Wake-up and Sink Current of P57/IROUT Control Register). 32

6.2.14 IOC71, TCCCR (TCC Control Register) ........................................................... 32

6.2.15 IOC81, WDTCR (WDT Control Register).......................................................... 33

6.2.16 IOC91, CNT12CR (Counters 1, 2 Control Register) ......................................... 34

6.2.17 IOCA1, HLPWTCR (High/Low Pulse Width Timer Control Register) .............. 35

6.2.18 IOCB1, P6PH (Port 6 Pull-high Control Register)............................................. 36

6.2.19 IOCC1, P6OD (Port 6 Open Drain Control Register)........................................ 36

6.2.20 IOCD1, P8PH (Port 8 Pull High Control Register) ............................................ 37

6.2.21 IOCE1, P6PL (Port 6 Pull Low Control Register).............................................. 37

6.2.22 IOCF1, P5PHL (Port 5 Pull High/Low Control Register) ................................... 37

6.3

TCC and WDT Prescaler ................................................................................ 38

6.4

I/O Ports ......................................................................................................... 41

6.6

Oscillator......................................................................................................... 47

6.6.1

Oscillator Modes ............................................................................................... 47

6.6.2

Phase Lock Loop (PLL Mode)........................................................................... 47

6.6.3

Crystal Oscillator/Ceramic Resonators (Crystal) .............................................. 48

6.6.4

RC Oscillator Mode with Internal Capacitor ...................................................... 49

6.7

Power-on Considerations................................................................................ 49

6.7.1

External Power-on Reset Circuit....................................................................... 50

6.7.2

Residue-Voltage Protection .............................................................................. 50

6.8

Interrupt .......................................................................................................... 51

6.9

LCD Driver ...................................................................................................... 52

6.9.1

R9/LCDCR (LCD Control Register) .................................................................. 53

6.9.2

RA/LCD_ADDR (LCD Address) ........................................................................ 53

6.9.3

RB/LCD_DB (LCD Data Buffer) ........................................................................ 54

6.9.4

RD/SBPCR (System, Booster and PLL Control Registers) .............................. 54

6.10 Infrared Remote Control Application/PWM Waveform Generation ................. 59

6.11 Dual Sets of PWM (Pulse Width Modulation) .................................................. 63

6.11.1 Overview ........................................................................................................... 63

6.11.2 Increment Timer Counter (TMR) ....................................................................... 68

6.11.3 PWM Time Period (TMR) .................................................................................. 68

6.11.4 PWM Duty Cycle (DTH/L) ................................................................................. 68

6.11.5 PWM Programming Process/Steps................................................................... 69

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