P89C739
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 mand definitions Silicon-ID-Read mand Set-up of...
