IBM EM78P809N MUX

EM78P809N

8-Bit Microcontroller

32 • Product Specification (V1.0) 07.26.2005

(This specification is subject to change without further notice)

P63

TEN

TONE Pin

Fig. 8. TONE Output Pin Timing Chart

MUX

Fosc/2

TBKTC

TBTCK2:0 3

Falling Edge

Detector

TBT

Interrupt

TBTEN

Fig. 9. TBT Configuration

Time Base Timer is used to generate the base time for key scan or dynamic display

processing. The interrupt is generated in the first falling edge of the source clock after

TBTEN is set to “1”.

Source Clock

TBTEN

TBT Interrupt

Fig. 10. Time Base Time r Timing Chart

Contents

Main EM78P809N 8-BIT Microcontroller Product Specification DOC. VERSION 1.0 ELAN MCCROELECTRONICS CORP. All Rights Reserved Printed in Taiwan ELAN MICROELECTRONICS CORPORATION Contents Page 1 General Description 2 Features 2.1 CPU 2.2 Applications EM78P809N 8-Bit Microcontroller 3 Pin Assignment Fig. 1. Pin Assignment 4 Pin Description Table 1 Symbol Pin No. Type Function EM78P809N 8-Bit Microcontroller Symbol Pin No. Type Function 4 Function Description 4.1 Functional Block Diagram 8-Bit Microcontroller Fig. 3. Operating Registers 4.2 Operating Registers 05 06 07 08 09 0A 0B 0C 0D 0E 0F 01 10 : 1F 20 : 3F Page 8-Bit Microcontroller User Memory Space On-chip Program Memory A11 A10 A9 A8 A7 ~ A0 8 Product Specification (V1.0) 07.26.2005 Page Page Page Page Page Page Page Page Page Page Page Page Page Page 4.3 Special Purpose Registers Page Page Page 4.4 CPU Operation Mode Page 8-Bit Microcontroller * Dont care ** Interrupt request flag will be recorded 4.5 AD Converter Registers for AD Converter Circuit * R_BANK : Register Bank (bits 7, 6 of R3), R/W: Read / Write * SPR : Special Purpose Register s Page 8-Bit Microcontroller Table 5 4.6 Time Base Timer and Keytone Generator Registers for AD Converter Circuit D Q TBKTC MUX MUX 8-Bit Microcontroller Product Specification (V1.0) 07.26 .2 005 33 4.7 UART (Universal Asynchronous Receiver/Transmitter) Registers for UART Circuit R_BANK Address NAME Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Fig. 11. Function Block Diagram EM78P809N 4.7.1 UART MODE: Mode 3 Mode 1 Mode 2 EM78P809N 4.7.2 Transmitting: 4.7.3 Receiving: EM78P809N 8-Bit Microcontroller 4.8 SPI (Serial Peripheral Interface) Registers for the SPI Circuit R_BANK Address NAME Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Fig. 14. SPI Block Diagram EM78P809N 4.8.1 Serial Clock: SPID 4.8.2 Shift Direction and Sample Phase: 4.8.3 Transfer Mode: /SCK pin RBF WBE SPIF SPID SI p i n 8-Bit Microcontroller SPIS RBF WBE SPIF SPID shift start shift start SO pi n 4.9 Timer/Counter 2 Registers for Timer/Counter 2 Cir cuit R_BANK Address NAME Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 EM78P809N 4.9.1 Timer Mode: 4.9.2 Counter Mode: 4.10 Timer/Counter 3 EM78P809N 4.10.1 Timer Mode: 4.10.2 Counter Mode: 4.10.3 Capture mode: 4.11 Timer/Counter 4 EM78P809N 4.11.1 Timer Mode 4.11.2 Counter Mode 4.11.3 PDO Mode Source Clock Up-counter TCR4 TC4 Interrupt 4.12 TCC/WDT & Prescaler EM78P809N 4.13 I/O Ports 4.14 RESET and Wake-up 4.14.1 RESET EM78P809N 4.14.2 Wake-up from SLEEP Mode: 4.14.3 Wake-up from IDLE mode: 8-Bit Microcontroller Product Specification (V1.0) 07.26 .2 005 49 Table 6. Summary of the Initialized Values for Registers Address Name Reset Type Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 8-Bit Microcontroller 50 Product Specification (V1.0) 07.26.2005 Register Bank 0 Address Name Reset Type Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 8-Bit Microcontroller Product Specification (V1.0) 07.26 .2 005 51 Register Bank 1 Address Name Reset Type Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 8-Bit Microcontroller 52 Product Specification (V1.0) 07.26.2005 Register Bank 2 Address Name Reset Type Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bi t 0 EM78P809N 4.14.4 The Status of RST, T, and P of STATUS Register 4.15 Interrupt EM78P809N 4.16 Oscillator 4.16.1 Oscillat or Modes 4.16.2 Crystal Oscil lator/Ceramic Resonators (Crystal) Page EM78P809N 4.16.3 External RC Oscillator Mode EM78P809N 4.17 Code Option Register 4.17.1 Code Option Register (Word 0) EM78P809N 4.17.2 Customer ID Register 4.18 Power-on Considerations 4.18.1 External Power-on Reset Circuit EM78P809N 4.18.2 Residue-Voltage Protection 4.19 Instruction Set Page 8-Bit Microcontroller Note1: This instructi on is applicable to IOC6 ~ IOCA, IMR1, IMR2 onl y. 5 Absolute Maximum Ratings 5.1 Absolute Maximum Ratings 5.2 Recommended Operating Conditions ( Vss = 0V ) 8-Bit Microcontroller 6 Electrical Characteristics 6.1 DC Electrical Characteristics (Ta= 25 C, VDD= 5.0 V 5%, VSS= 0V) Symbol Parameter Condition Min. Typ. Max. Unit *The typical value is based on characterization results at 25C 8-Bit Microcontroller Product Specification (V1.0) 07.26 .2 005 65 (Ta= 25 C, VDD= 3.0 V 5%, VSS= 0V) Symbol Parameter Condition Min. Typ. Max. Unit 8-Bit Microcontroller 66 Product Specification (V1.0) 07.26.2005 A/D Converter Characteristic (VDD =2.5V to 5.5V, Vss=0V, Ta = -40 to 85) Symbol Parameter Condi tion Min. Typ. Max. Unit 6.2 AC Electrical Characteristic * N= selected prescaler ratio (Ta=- 40C ~ 85 C, VDD=5V 5%, VSS=0V) 68 Product Specification (V1.0) 07.26.2005 6.3 Timing Diagram RESET Timing (CLK="0") TCC Input Timing (CLKS="0") AC Test Input/Output Waveform APPENDIX Package Types: