W742C813 Datasheet, PDF (2/56 Pages) Winbond – 4 BIT MICROCONTROLLER

W742E/C813
5.15.2
5.15.3
5.15.4
5.15.5
Interrupt Enable Flag (IEF) .............................................................................................26
Port Enable Flag (PEF, P1EF)........................................................................................27
Hold Mode Release Condition Flag (HCF, HCFD) .........................................................27
Event Flag (EVF, EVFD).................................................................................................28
5.16 Reset Function .......................................................................................................................28
5.17 Input/Output Ports RA, RB & P0.............................................................................................29
5.17.1
5.17.2
5.17.3
5.17.4
Port Mode 0 Register (PM0) ...........................................................................................30
Port Mode 1 Register (PM1) ...........................................................................................30
Port Mode 2 Register (PM2) ...........................................................................................31
Port Mode 6 Register (PM6) ...........................................................................................31
5.18 Serial I/O interface..................................................................................................................32
5.19 Input Ports RC ........................................................................................................................35
5.19.1 Port Status Register 0 (PSR0)........................................................................................36
5.20 Input Ports RD ........................................................................................................................36
5.20.1 Port Status Register 1 (PSR1)........................................................................................37
5.21 Output Port RE & RF ..............................................................................................................38
5.22 Input Port P1...........................................................................................................................38
5.23 DTMF Output Pin (DTMF) ......................................................................................................38
5.23.1 DTMF Register ...............................................................................................................39
5.23.2 Dual Tone Control Register (DTCR) ...............................................................................39
5.24 MFP Output Pin (MFP) ...........................................................................................................39
5.25 LCD Controller/Driver .............................................................................................................41
5.25.1
5.25.2
5.25.3
5.25.4
LCD RAM Addressing Method........................................................................................42
LCD Voltage and Contrast Adjusting ..............................................................................42
SEG32-SEG39 Using as DC Output (NMOS open drain type).......................................44
The Output Waveforms for the LCD Driving Mode .........................................................44
6. ABSOLUTE MAXIMUM RATINGS ........................................................................................................45
7. DC CHARACTERISTICS.......................................................................................................................45
8. AC CHARACTERISTICS.......................................................................................................................46
9. INSTRUCTION SET TABLE..................................................................................................................47
10. PACKAGE DIMENSIONS .....................................................................................................................55
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