EM78P258N Datasheet, PDF (8/81 Pages) ELAN Microelectronics Corp – 8-Bit Microprocessor with OTP ROM

EM78P258N
8-Bit Microprocessor with OTP ROM
Power down (SLEEP) mode
Five interrupt sources:
• TCC, TCCA, TCCB, and TCCC overflow interrupt
• Input-port status change interrupt (wake-up from sleep mode)
• External interrupt
• IR/PWM interrupt
• ADC completion interrupt
Programmable free running watchdog timer
8 programmable pull-high I/O pins
8 programmable open-drain I/O pins
8 programmable pull-down I/O pins.
Two or Four clocks per instruction cycle
Package types:
• 14 pin DIP 300mil
• 14 pin SOP 150mil
: EM78P258NP
: EM78P258NN
Power on voltage detector available (2.0V± 0.1V)
3 Pin Configurations (Package)
3.1 EM78P258NP/N Pin Assignments
P52/ADC2
1
P53/ADC3
2
P54/TCC/VREF 3
/RESET
4
Vss 5
P60//INT 6
P61/TCCA 7
14 P51/ADC1
13 P50/ADC0
12 P55/OSCI
11 P70/OSCO
10 VDD
9
P67/IR OUT
8
P66/CIN-
Fig. 3-1 Pin Assignment – EM78P258NP/N
2•
Product Specification (V1.0) 06.16.2005
(This specification is subject to change without further notice)