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PDF EM78P528N Data sheet ( Hoja de datos )
| Número de pieza | EM78P528N | |
| Descripción | 8-Bit Microcontroller | |
| Fabricantes | ELAN Microelectronics | |
| Logotipo |  |
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EM78P528N
8-Bit Microprocessor
with OTP ROM
Product
Specification
DOC. VERSION 1.4
ELAN MICROELECTRONICS CORP.
March 2016
1 page  
Contents
6.1.73 Bank 1 R11 P5ODCR (Port 5 Open-drain Control Register) ............................55
6.1.74 Bank 1 R12 P6ODCR (Port 6 Open-drain Control Register)............................56
6.1.75 Bank 1 R13 P789AODCR (Port 7~A Open-drain Control Register) .................56
6.1.76 Bank 1 R33 URCR (UART Control Register)....................................................57
6.1.77 Bank 1 R34 URS (UART Status Register) ........................................................58
6.1.78 Bank 1 R35 URTD (UART Transmit Data Buffer Register)...............................58
6.1.79 Bank 1 R36 URRDL (UART Receive Data Low Buffer Register) .....................59
6.1.80 Bank 1 R37 URRDH (UART Receive Data High Buffer Register) ....................59
6.1.81 Bank 1 R40 WCR (Watch Timer Control Register) ...........................................59
6.1.82 Bank 1 R45 TBPTL (Table Pointer Low Register).............................................59
6.1.83 Bank 1 R46 TBPTH (Table Pointer High Register) ...........................................60
6.1.84 Bank 1 R47 STKMON (Stack Monitor) .............................................................60
6.1.85 Bank 1 R48 PCH (Program Counter High) .......................................................60
6.1.86 Bank 1 R49 LVDCR (Low Voltage Detector Control Register) .........................60
6.1.87 Bank 1 R4A~R4C: (Reserve)............................................................................61
6.1.88 Bank 0 R50~R7F, Bank 0~3 R80~RFF.............................................................61
6.2 TCC/WDT and Prescaler ................................................................................ 61
6.3 I/O Ports ......................................................................................................... 62
6.4 Reset and Wake-up ........................................................................................ 65
6.4.1 Reset.................................................................................................................65
6.4.2 Status of RST, T, and P of the Status Register .................................................70
6.5 Interrupt .......................................................................................................... 85
6.6 A/D Converter ................................................................................................. 87
6.6.1 ADC Data Register ...........................................................................................88
6.6.2 A/D Sampling Time ...........................................................................................88
6.6.3 A/D Conversion Time ........................................................................................89
6.6.4 ADC Operation during Sleep Mode ..................................................................90
6.6.5 Programming Process/Considerations .............................................................90
6.6.6 Programming Process for Detecting Internal VDD ...........................................91
6.6.7 Sample Demo Programs...................................................................................93
6.7 Timer .............................................................................................................. 95
6.7.1 Timer/Counter Mode .........................................................................................96
6.7.2 Window Mode ...................................................................................................97
6.7.3 Capture Mode ...................................................................................................98
6.7.4 Programmable Divider Output Mode and Pulse Width Modulation Mode ........99
6.7.5 Buzzer Mode ...................................................................................................100
6.8 UART (Universal Asynchronous Receiver/Transmitter) ................................. 101
6.8.1 UART Mode.....................................................................................................102
6.8.2 Transmitting.....................................................................................................103
6.8.3 Receiving ........................................................................................................103
6.8.4 Baud Rate Generator ......................................................................................104
6.8.5 UART Timing...................................................................................................104
Product Specification (V1.4) 03.31.2016
v
5 Page 
EM78P528N
8-Bit Microprocessor with OTP ROM
1 General Description
The EM78P528N is an 8-bit microprocessor designed and developed with low-power, high-speed CMOS
technology. It is used for 15 bits kernel simulation and it simulates the 8K15-bit programmable ROM.
Using the UIT400N, user can develop their program for ELAN’s several OTP types of IC.
2 Features
CPU configuration
Supports 8K15 bits program ROM
(48+512) bytes general purpose register
32 bytes LCD RAM
8-level stacks for subroutine nesting
Less than 1mA at 5V/4MHz
Typically 15 A at 3V/16kHz
Typically 22 A, at 3V/32kHz
Typically 2 A during sleep mode
Four CPU operation modes: Normal, Sleep, Green,
Idle
I/O port configuration
Six bidirectional I/O ports: P5~P9, PA
Four programmable pin change wake-up ports :
P5~P8
Six programmable pull-down I/O ports: P5~P9, PA
Six programmable pull-high I/O ports: P5~P9, PA
Six programmable open-drain I/O ports: P5~P9, PA
Six programmable high-sink/drive I/O ports: P5~P9,
PA
10 external interrupt pins
Operating voltage range:
2.1V~5.5V at 0C~70C (commercial)
2.3V~5.5V at -40C~85C (industrial)
Operating frequency range (base on 2 clocks):
Main oscillator:
Crystal mode:
DC~16 MHz at 5V; DC~8 MHz at 3V; DC~4 MHz at 2.1V
IRC mode:
DC~16 MHz at 5V; DC~8 MHz at 3V; DC~4 MHz at 2.1V
Drift Rate
Internal RC
Frequency
Temperature Voltage
(-40C ~+85C) (2.5V~5.5V)
Process
Total
1 MHz
4 MHz
8 MHz
±2%
±2%
±2%
±1%
±1%
±1%
±1%
±1%
±1%
±4%
±4%
±4%
16 MHz
±2%
Sub oscillator:
Crystal mode: 32.768kHz
IRC mode: 16k/32kHz
±1%
±1% ±4%
Peripheral configuration
8-bit Real Time Clock/Counter (TCC) with
selective signal sources and trigger edges
15+1 channels Analog-to-Digital Converter with
12-bit resolution + 1 internal reference for Vref
LCD: 823 dots, bias (1/2, 1/3), duty (static, 1/3,
1/4, 1/8)
Three 8-bit timers (TC1/TC2/TC3) with six modes:
Timer/Counter/Capture/Window/Buzzer/PWM/
PDO (Programmable Divider Output) modes.
Timers 1 and 2 can be cascaded to one 16-bit
counter/timer
Universal Asynchronous Receiver/Transmitter
(UART)
Serial transmitter/receiver interface (SPI): 3-wire
synchronous communication
I2C function with 7/10-bit address and 8-bit data
transmit/receive mode
Four programmable watch timer: 1.0 sec, 0.5 sec,
0.25 sec, 3.91 ms
Four programmable Level Voltage Detector
LVD: 4.5V, 4.0V, 3.3V, 2.2V
Power-on reset and three programmable level
voltage reset POR: 1.8V (Default), LVR: 4.0, 3.5, 2.7V
High EFT immunity
25 available interrupts (12 external, 13 internal)
10 external interrupts
Input-port status changed interrupt (wake up from
sleep mode)
LVD interrupt
TCC overflow interrupt
Three timer interrupt
ADC completion interrupt
I2C transfer/receive interrupt
UART TX, RX , RX error interrupt
SPI interrupt
Watch timer interrupt
Single instruction cycle commands
Package Type:
44-pin QFP 10x10mm : EM78P528NQ44
44-pin LQFP 10x10mm : EM78P528NL44
48-pin LQFP 7x7mm : EM78P528NL48
Note: These are Green Products which do not contain
hazardous substances.
Product Specification (V1.4) 03.31.2016
(This specification is subject to change without prior notice)
1
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