EM78P350N
8-Bit Microprocessor with OTP ROM
1 General Description
The EM78P350N is an 8-bit microprocessors designed and developed with low-power and high-speed CMOS
technology. It has an on-chip 8K×13-bit Electrical One Time Programmable Read Only Memory (OTP-ROM). It provides
a protection bit to prevent intrusion of user’s OTP memory code. Three Code option bits are also available to meet user’s
requirements.
With its enhanced OTP-ROM feature, the EM78P350N provides a convenient way of developing and verifying user’s
programs. Moreover, this OTP device offers the advantages of easy and effective program updates, using development
and programming tools. User can avail of the ELAN Writer to easily program his development code.
2 Features
CPU configuration
• IRC mode:
Oscillation mode : 4MHz, 8MHz, 1MHz, 455kHz
Process deviation : Typ±3%, Max±5%
Temperature deviation : ±10% (-40°C~85°C )
Sub clock
• 8K×13 bits on chip ROM
• 144×8 bits on chip registers (SRAM)
• 8 level stacks for subroutine nesting
• 4 programmable Level Voltage Detector
Crystal: 32.768kHz
Peripheral configuration
(LVD) :
4.5V, 4.0V, 3.3V, 2.2V
• Serial peripheral interface (SPI) available
• 4 programmable Level Voltage Reset
• 8-bit real time clock/counter (TCC) with selective signal
(LVR) : 4.0V, 3.5V, 2.7V, 1.8V (POR)
sources, trigger edges, and overflow interrupt
• Less than 2.2 mA at 5V/4MHz
• Typically 15 µA, at 3V/32kHz
• Typically 1 µA, during sleep mode
I/O port configuration
• 8-bit channels Analog-to-Digital Converter with 12-bit
resolution
• Three Pulse Width Modulation (PWM ) with 10-bit
resolution
• One pair of comparators or OP
• 4 bidirectional I/O ports : P5, P6, P7, P8
• 29 I/O pins
Eight available interrupts:
• TCC overflow interrupt
• Wake-up port : P6
• Input-port status changed interrupt (wake-up from sleep
• 29 Programmable pull-down I/O pins
• 29 programmable pull-high I/O pins
• External interrupt : P52, P53
Operating voltage range:
mode)
• Two External interrupt
• ADC completion interrupt
• PWM time period match completion interrupt
• Comparator high/low interrupt
• Serial I/O interrupt
• OTP version:
Operating voltage range: 2.1V~5.5V
• Mask ROM version:
• Low voltage detect (LVD)
Special features
Operating voltage range: 1.8V~5.5V
Operating temperature range: -40~85℃
• Programmable free running watchdog timer
• High ESD immunity
Operating frequency range:
Main clock
• High EFT immunity
• Crystal mode:
DC ~ 20MHz/2clks @ 5V; DC ~100ns inst.
cycle @ 5V
• Power saving Sleep mode
• Selectable Oscillation mode
Package types:
DC ~ 8MHz/2clks @ 3V;DC ~ 250ns inst.
cycle @ 3V
z 28 pin DIP
z 28 pin SOP
z 28 pin SDIP
z 28 pin SDIP
z 32 pin LQFP
z 32 pin SDIP
z 32 pin DIP
z 32 pin SOP l
600mil
300mil
400mil
300mil
EM78P350NP
EM78P350NM
EM78P350NK
EM78P350NAK
EM78P351NQ
EM78P351NK
EM78P351NP
EM78P351NM
• ERC mode:
DC ~ 16MHz/2clks @ 5V; DC ~ 125ns inst.
cycle @ 5V
DC ~ 8MHz/2clks @ 3V; DC ~ 250ns inst.
cycle @ 3V
400mil
600mil
300mil
3 Pin Assignment
Product Specification (V 1.0) 09.14.2006
• 1
(This specification is subject to change without further notice)
ELAN [ ELAN MICROELECTRONICS CORP ]
