P89C738

INTEGRATED CIRCUITS DATA SHEET P89C738; P89C739 8-bit Flash microcontrollers Product specification Supersedes data of 1997 Dec 15 File under Integrated Circuits, IC20 1998 Apr 07 Philips Semiconductors Product specification 8-bit Flash microcontrollers CONTENTS 1 2 3 4 5 6 6.1 6.2 7 7.1 7.2 8 8.1 8.2 8.3 9 9.1 9.2 10 10.1 10.2 10.3 11 12 12.1 12.2 13 13.1 13.2 13.3 13.4 13.5 14 FEATURES GENERAL DESCRIPTION ORDERING INFORMATION BLOCK DIAGRAM FUNCTIONAL DIAGRAM PINNING INFORMATION Pin configuration Pin description FUNCTIONAL DESCRIPTION General Instruction set execution MEMORY ORGANIZATION Program memory Internal data memory Addressing INTERRUPT SYSTEM Interrupt Enable Register (IE) Interrupt Priority Register (IP) TIMERS/COUNTERS Timer 0 and Timer 1 Timer 2 Watchdog Timer (T3) I/O FACILITIES FULL DUPLEX SERIAL PORT (UART) The Serial Port operating modes Serial Port Control Register (SCON) REDUCED POWER MODES Idle mode Power-down mode Wake-up from Power-down mode Status of external pins Power Control Register (PCON) OSCILLATOR CIRCUIT 17 18 19 20 21 21.1 21.2 21.3 22 23 23.1 23.2 23.3 24 25 16.7 16.8 16.9 16.10 16.11 16.12 15 15.1 16 16.1 16.2 16.3 16.4 16.5 16.6 RESET P89C738; P89C739 Power-on reset MULTIPLE PROGRAMMING ROM (MTP-ROM) Features General description Automatic programming and Automatic chip erase Command definitions Silicon-ID-Read command Set-up of Automatic chip erase and Automatic erase commands Set-up of the Automatic program and Program commands Reset com...