EM78159NAS EMC [ELAN Microelectronics Corp], EM78159NAS Datasheet - Page 6

• Manufacturer Part Number: EM78159NAS
• Description: 8-Bit Microcontroller with OTP ROM
• Manufacturer: EMC [ELAN Microelectronics Corp]

EM78P159N
8-Bit Microcontrollerwith OTP ROM
2 •
Low power consumption:
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1K × 13 bits on chip ROM
One security register to prevent intrusion of OTP memory codes
One configuration register to accommodate user’s requirements
48× 8 bits on chip registers (SRAM, general purpose register)
2 bi-directional I/O ports
5 level stacks for subroutine nesting
8-bit real time clock/counter (TCC) with selective signal sources, trigger edges, and
overflow interrupt
Two clocks per instruction cycle
Power down (SLEEP) mode
Three available interruptions:
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Programmable free running watchdog timer
8 programmable pull-high pins
8 programmable pull-down pins
8 programmable open-drain pins
2 programmable R-option pins
Package types:
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99.9% single instruction cycle commands
The transient point of system frequency between HXT and LXT is around 400kHz
Less then 2mA at 5V/4MHz
Typically 20μA at 3V/32kHz
Typically 1μA during Sleep mode
TCC overflow interrupt
Input-port status changed interrupt (wake up from Sleep mode)
External interrupt
18 pin DIP 300mil
18 pin SOP 300mil
20 pin SSOP 209mil : EM78P159NAS
20 pin SSOP 209mil : EM78P159NKM
: EM78P159NP
: EM78P159NM
(This specification is subject to change without further notice)
Product Specification (V1.0) 03.10.2006