EM78P258N
8-Bit Microprocessor with OTP ROM
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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
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ADC completion interrupt
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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 : EM78P258NP
• 14 pin SOP 150mil : EM78P258NN
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Power on voltage detector available (2.0V± 0.1V)
3 Pin Configurations (Package)
3.1 EM78P258NP/N Pin Assignments
P52/ADC2
P53/ADC3
P54/TCC/VREF
/RESET
1
2
3
4
5
6
7
14
13
12
11
10
9
P51/ADC1
P50/ADC0
P55/OSCI
P70/OSCO
VDD
Vss
P60//INT
P67/IR OUT
P66/CIN-
P61/TCCA
8
Fig. 3-1 Pin Assignment – EM78P258NP/N
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Product Specification (V1.0) 06.16.2005
(This specification is subject to change without further notice)
ELAN [ ELAN MICROELECTRONICS CORP ]
