EM6635

EM MICROELECTRONIC - MARIN SA EM6635 Low Power Microcontroller with RC and 32kHz oscillators and 9 high drive outputs Features 32’768Hz crystal oscillator 500kHz RC Oscillator (no external component) External clock (metal option) 9 High drive outputs: up to 20mA Melody generator with 255 programmable frequencies True Low Power: 1.5uA active mode 0.4uA halt mode @ 1.55V, 32kHz, 25°C Figure 1. Architecture Crystal Oscillator 32kHz RC Oscillator 500kHz or External clock ROM 4096 x 16Bits RAM 256 x 4Bits Watch Dog timer Timer 1 VLD 3levels Timer 2 Frequency Doubler Power Supply Voltage reg. Reset Logic Core EM6600 B CD Counter Frequency Generator Interrupt Controller Low Supply Voltage 1.2V to 3.6V Max. 14 Inputs with selectable debouncers; Port P1, P2, P6, P70, P71 Max. 15 outputs (9 I/O High drive outputs); Port P3, P4, P6, P70, P71, P72 Mask ROM 4096 x 16bits RAM 256 x 4bits 2 clocks per instruction cycle 72 basic instructions 2 outputs; Reset OUT, Buzzer OUT 2 timers 8bits 2 x 4 bits BCD counters Event counter 3bits Prescaler down to 1Hz (crystal =32kHz), readable by CPU in 2 ranges Serial Port as selectable configuration of Port 5 18 Interrupts: 12 internal, 6 external Voltage Level Detector, 3 levels software selectable Die form and MLF2, 40 pin (Micro Lead Frame) package Port 1 0 1 2 3 Port 2 0 1 2 3 Port 3 0 1 2 3 Port 4 0 1 2 3 Port 5 0 1 2 3 Port 6 0 1 2 3 Port 7 0 1 2 3 High Drive Output Serial or parallel port 2 : High Drive Output 3 : Buzzer out F...