EM78P468NBQS datasheet, PDF - EEWORLD Datasheet

Datasheet> All Categories > EM78P468NBQS

Preview

EM78P468NBQS: Description8-Bit Microcontroller; File Size946KB，82 Pages; ManufacturerEMC [ELAN Microelectronics Corp]

Download Datasheet Compare View All

EM78P468NBQS Overview

8-Bit Microcontroller

Preview

Download Datasheet

View All

EM78P468N/L

8-Bit Microcontroller

Product

Specification

. V

ERSION

1.5

ELAN MICROELECTRONICS CORP.

February 2007

Contents

General Description ······················································································ 1

Features ········································································································· 1

Pin Assignment······························································································ 2

Block Diagram ······························································································· 3

Pin Description ······························································································ 4

Function Description····················································································· 6

6.1

Operational Registers......................................................................................... 6

6.1.1

6.1.2

6.1.3

6.1.4

6.1.5

6.1.6

6.1.7

6.1.8

6.1.9

6.1.10

6.1.11

6.1.12

6.1.13

6.1.14

6.1.15

6.1.16

6.1.17

R0/IAR (Indirect Addressing Register) ................................................................6

R1/TCC (Timer Clock Counter) ...........................................................................6

R2/PC (Program Counter)...................................................................................6

R3/SR (Status Register) .....................................................................................8

R4/RSR (RAM Select Register) ..........................................................................9

R5/Port 5 (Port 5 I/O Data and Page of Register Select.....................................9

R6/Port 6 (Port 6 I/O Data Register) ...................................................................9

R7/Port 7 (Port 7 I/O Data Register) ...................................................................9

R8/Port 8 (Port 8 I/O Data Register) .................................................................10

R9/LCDCR (LCD Control Register)...................................................................10

RA/LCD_ADDR (LCD Address) ........................................................................11

RB/LCD_DB (LCD Data Buffer) ........................................................................11

RC/CNTER (Counter Enable Register).............................................................11

RD/SBPCR (System, Booster and PLL Control Register) ................................12

RE/IRCR (IR and Port 5 Setting Control Register) ...........................................13

RF/ISR (Interrupt Status Register) ....................................................................14

Address: 10h~3Fh; R10~R3F (General Purpose Register) ..............................14

A (Accumulator).................................................................................................15

IOC50/P5CR (Port 5 I/O and Ports 7, 8 for LCD Segment Control Register)...15

IOC60/P6CR (Port 6 I/O Control Register) .......................................................16

IOC70/P7CR (Port 7 I/O Control Register) .......................................................16

IOC80/P8CR (Port 8 I/O Control Register) .......................................................16

IOC90/RAM_ADDR (128 Bytes RAM Address) ................................................16

IOCA0/RAM_DB (128 Bytes RAM Data Buffer)................................................16

IOCB0/CNT1PR (Counter 1 Preset Register)...................................................17

IOCC0/CNT2PR (Counter 2 Preset Register)...................................................17

IOCD0/HPWTPR (High-Pulse Width Timer Preset Register) ...........................17

IOCE0/LPWTPR (Low-Pulse Width Timer Preset Register) .............................18

IOCF0/IMR (Interrupt Mask Register) ...............................................................18

IOC61/WUCR (Wake-up and Sink Current of P5.7/IROUT Control Register) ..18

6.2

Special Purpose Registers ............................................................................... 15

6.2.1

6.2.2

6.2.3

6.2.4

6.2.5

6.2.6

6.2.7

6.2.8

6.2.9

6.2.10

6.2.11

6.2.12

6.2.13

Product Specification (V1.5) 02.15.2007

•

iii

Contents

6.2.14

6.2.15

6.2.16

6.2.17

6.2.18

6.2.19

6.2.20

6.2.21

IOC71/TCCCR (TCC Control Register) ............................................................19

IOC81/WDTCR (WDT Control Register)...........................................................20

IOC91/CNT12CR (Counters 1, 2 Control Register) ..........................................20

IOCA1/HLPWTCR (High/Low Pulse Width Timer Control Register).................21

IOCB1/P6PH (Port 6 Pull-high Control Register)..............................................22

IOCC1/P6OD (Port 6 Open Drain Control Register).........................................22

IOCD1/P8PH (Port 8 Pull High Control Register) .............................................22

IOCE1/P6PL (Port 6 Pull Low Control Register) ..............................................22

6.3

6.4

6.6

TCC and WDT Prescaler.................................................................................. 23

I/O Ports ........................................................................................................... 25

Oscillator .......................................................................................................... 30

6.6.1

6.6.2

6.6.3

6.6.4

Oscillator Modes................................................................................................30

Phase Lock Loop (PLL Mode)...........................................................................30

Crystal Oscillator/Ceramic Resonators (Crystal)...............................................31

RC Oscillator Mode with Internal Capacitor ......................................................32

External Power-on Reset Circuit .......................................................................33

Residue-Voltage Protection...............................................................................33

6.7

Power-on Considerations ................................................................................. 32

6.7.1

6.7.2

6.8

6.9

Interrupt ............................................................................................................ 34

LCD Driver........................................................................................................ 35

6.9.1

6.9.2

6.9.3

6.9.4

R9/LCDCR (LCD Control Register)...................................................................35

RA/LCD_ADDR (LCD Address) ........................................................................36

RB/LCD_DB (LCD Data Buffer) ........................................................................36

RD/SBPCR (System, Booster and PLL Control Registers) ..............................37

6.10 Infrared Remote Control Application/PWM Waveform Generate .................... 41

6.11 Code Options ................................................................................................... 45

6.12 Instruction Set ................................................................................................. 46

6.13 Timing Diagram ............................................................................................... 49

Absolute Maximum Ratings········································································ 50

Electrical Characteristic·············································································· 51

8.1

8.2

8.3

DC Electrical Characteristics............................................................................ 51

AC Electrical Characteristics ............................................................................ 53

Device Characteristic ....................................................................................... 54

Application Circuit······················································································· 66

•

Product Specification (V1.5) 01.15.2007

EM78P468NBQS Related Products

	EM78P468NBQS	EM78P468N_07	EM78P468NQS	EM78P468NQJ	EM78P468NCQS	EM78P468NCQJ	EM78P468NBQJ	EM78P468NAQS	EM78P468NAQJ
Description	8-Bit Microcontroller	8-Bit Microcontroller	8-Bit Microcontroller	8-Bit Microcontroller	8-Bit Microcontroller	8-Bit Microcontroller	8-Bit Microcontroller	8-Bit Microcontroller	8-Bit Microcontroller

Recommended Resources

Multi-group output regulated power supply circuit using three-terminal integrated voltage regulator

TA8141S (TV) infrared remote control receiving circuit

KA2182/KA2183 (TV) infrared remote control receiving preamplifier circuit

MAX663 series output voltage setting method circuit has overcurrent protection circuit diagram

Photoelectric automatic acid seasoning device circuit

push-pull oscillator circuit

What do RF engineers do all day?: First of all, RF engineers must master the technology of circuit system analysis, which is also an indispensable part of engineering. In some communication equipment companies' projects, RF engineers ...; btty038 PCB Design

【RVB2601 Creative Application Development】Work Submission: Cold chain intelligent management system based on CH2601 Author: Liu JianhuaProject BackgroundThe author has been engaged in immunization planning for a long time. The top priority of immunization pla...; lugl4313820 XuanTie RISC-V Activity Zone

Do I have the right to share the software manual of eLinx2.1.1, the FPGA tool of Yihaiwei?: It is quite troublesome to apply for a license for this software. After submitting it on the official website, you have to wait for a few days. Someone will call you, ask some questions, add you on We...; littleshrimp Domestic Chip Exchange

Questions about the use of FSM+MLC: How to determine the output of a decision tree in FSM? Suppose the decision tree outputs 0, 1, and 2, how to separate the three states one by one?...; 12377706 MEMS sensors

[Allwinner heterogeneous multi-core AI intelligent vision V853 development board evaluation] nfs configuration: Network File System (NFS) is a UNIX presentation layer protocol developed by SUN, which enables users to access files elsewhere on the network just like using their own computers. Mounting the Ubuntu ...; dql2016 Domestic Chip Exchange

Two-Phase Interleaved LLC Resonant Converter Reference Design Using C2000 MCU: Resonant converters are popular DC/DC converters that are commonly used in server, telecom, automotive, industrial and other power applications. These converters have high performance (efficiency, pow...; Aguilera Microcontroller MCU

Shortcut: L0 L1 L2 L3 L4 L5 L6 L7 L8 L9 LA LB LC LD LE LF LG LH LI LJ LK LL LM LN LO LP LQ LR LS LT LU LV LW LX LY LZ M0 M1 M2 M3 M4 M5 M6 M7 M8 M9 MA MB MC MD ME MF MG MH MI MJ MK ML MM MN MO MP MQ MR MS MT MU MV MW MX MY MZ N0 N1 N2 N3 N4 N5 N6 N7 N8 NA NB NC ND NE NF NG NH NI NJ NK NL NM NN NO NP NQ NR NS NT NU NV NX NZ O0 O1 O2 O3 OA OB OC OD OE OF OG OH OI OJ OK OL OM ON OP OQ OR OS OT OV OX OY OZ P0 P1 P2 P3 P4 P5 P6 P7 P8 P9 PA PB PC PD PE PF PG PH PI PJ PK PL PM PN PO PP PQ PR PS PT PU PV PW PX PY PZ Q1 Q2 Q3 Q4 Q5 Q6 Q8 Q9 QA QB QC QE QF QG QH QK QL QM QP QR QS QT QV QW QX QY R0 R1 R2 R3 R4 R5 R6 R7 R8 R9 RA RB RC RD RE RF RG RH RI RJ RK RL RM RN RO RP RQ RR RS RT RU RV RW RX RY RZ

Popular Components