EM78815, EM78860, EM78860/AH Selling Leads, Datasheet
MFG:EMC D/C:N/A
EM78815, EM78860, EM78860/AH Datasheet download
Part Number: EM78815
MFG: EMC
Package Cooled:
D/C: N/A
EM78815, EM78860, EM78860/AH
- Table of contents:
Info of EM78815
Info of EM78860
Info of EM78860/AH
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About EM73201
PDF/DataSheet Download
Datasheet: EM73201
File Size: 209731 KB
Manufacturer: EMC [ELAN Microelectronics Corp]
Download : Click here to Download
About EM78860
PDF/DataSheet Download
Datasheet: EM78860
File Size: 128000 KB
Manufacturer: EMC [ELAN Microelectronics Corp]
Download : Click here to Download
About EM73201
PDF/DataSheet Download
Datasheet: EM73201
File Size: 209731 KB
Manufacturer: EMC [ELAN Microelectronics Corp]
Download : Click here to Download
EM78860 General Description
The EM78860 is an 8-bit RISC type microprocessor with low power , high speed CMOS technology . Integrated onto a single chip are on_chip watchdog (WDT) , RAM , ROM , programmable real time clock / counter , internal interrupt , power down mode , LCD driver and tri-state I/O . The EM78860 provides a single chip solution to design a message display .
EM78860 Maximum Ratings
Item |
Symbol |
Rating |
Unit |
| Temperature under bias | VDD |
-0.3 to 6 |
V |
| Input voltage | VIN |
- 0.5 to VDD+ 0.5 |
V |
| Operating temperature range | TA |
0 to 70 |
EM78860 Features
CPU
• Operating voltage range : 2.5V~5.5V
• 16Kx13 on chip ROM
• 2.8Kx8 on chip RAM
• Up to 32 bi-directional tri-state I/O ports
• 8 Level stack for subroutine nesting
• 8-bit real time clock/counter (TCC)
• Two sets of 8 bit counters can be interrupt sources
• Selective signal sources and with overflow interrupt
• Programmable free running on chip watchdog timer
• 99.9% single instruction cycle commands
• Four modes (internal clock 3.679MHz, external 32.768KHz)
1. Sleep mode : CPU and 3.679MHz clock turn off, 32.768KHz clock turn off
2. Idle mode : CPU and 3.679MHz clock turn off, 32.768KHz clock turn on
3. Green mode : 3.679MHz clock turn off, CPU and 32.768KHz clock turn on
4. Normal mode : 3.679MHz clock turn on , CPU and 32.768KHz clock turn on
• Low battery detector
• Input port wake up function
• 8 interrupt source , 4 external , 3 internal
• 100 pin QFP or chip
• Port key scan function
• Port interrupt , pull high and open drain functions
• Clock frequency 32.768KHz externally
LCD
• LCD operation voltage chosen by software
• Common driver pins : 16
• Segment driver pins : 60
• 1/4 bias
• 1/8,1/16 duty
• Operating voltage range : 2.5V~5.5V
• 16Kx13 on chip ROM
• 2.8Kx8 on chip RAM
• Up to 32 bi-directional tri-state I/O ports
• 8 Level stack for subroutine nesting
• 8-bit real time clock/counter (TCC)
• Two sets of 8 bit counters can be interrupt sources
• Selective signal sources and with overflow interrupt
• Programmable free running on chip watchdog timer
• 99.9% single instruction cycle commands
• Four modes (internal clock 3.679MHz, external 32.768KHz)
1. Sleep mode : CPU and 3.679MHz clock turn off, 32.768KHz clock turn off
2. Idle mode : CPU and 3.679MHz clock turn off, 32.768KHz clock turn on
3. Green mode : 3.679MHz clock turn off, CPU and 32.768KHz clock turn on
4. Normal mode : 3.679MHz clock turn on , CPU and 32.768KHz clock turn on
• Low battery detector
• Input port wake up function
• 8 interrupt source , 4 external , 3 internal
• 100 pin QFP or chip
• Port key scan function
• Port interrupt , pull high and open drain functions
• Clock frequency 32.768KHz externally
LCD
• LCD operation voltage chosen by software
• Common driver pins : 16
• Segment driver pins : 60
• 1/4 bias
• 1/8,1/16 duty
EM78860 Typical Application
1. adjunct units
2. data bank
2. data bank
EM78860 Connection Diagram
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