em78p210n ELAN Microelectronics Corp, em78p210n Datasheet - Page 4

• Manufacturer Part Number: em78p210n
• Description: 8-bit Microcontroller With Otp Rom
• Manufacturer: ELAN Microelectronics Corp

Contents
iv •
7
8
9
10
6.3
6.4
6.5
6.6
6.7
6.8
6.9
6.10 Low Voltage Reset ........................................................................................... 47
6.11 Code Option ..................................................................................................... 48
6.12 Instruction Set .................................................................................................. 51
Absolute Maximum Ratings ................................................................................... 53
DC Electrical Characteristics ................................................................................. 54
8.1
AC Electrical Characteristic ................................................................................... 56
Timing Diagrams ..................................................................................................... 57
6.5.2
6.7.4
6.7.5
TCC/WDT and Prescaler.................................................................................. 21
I/O Ports ........................................................................................................... 22
Reset and Wake-up.......................................................................................... 25
Interrupt ............................................................................................................ 36
Comparator ...................................................................................................... 38
Oscillator .......................................................................................................... 41
Power-on Considerations ................................................................................. 45
Comparator (OP) Characteristic ....................................................................... 56
6.2.31 Bank 3-R7 (Noise and LVR Control) - only for ICE ...........................................20
6.2.32 Bank 3-R8~RF (Reserve)..................................................................................20
6.2.33 R10 ~ R1F .........................................................................................................20
6.2.34 Banks 0~3 - R20 ~ R3F ....................................................................................20
6.4.1
6.5.1
6.7.1
6.7.2
6.7.3
6.8.1
6.8.2
6.8.3
6.8.4
6.9.1
6.9.2
6.11.1 Code Option Register (Word 0).........................................................................48
6.11.2 Code Option Register (Word 1).........................................................................49
6.11.3 Customer ID Register (Word 2).........................................................................50
The T and P Status under Status Register 35
Comparator Interrupt 40
Wake-up from Sleep Mode 40
Comparator Outputs..........................................................................................38
Using a Comparator as an Operation Amplifier.................................................39
External RC Oscillator Mode.............................................................................44
External Power-on Reset Circuit .......................................................................45
Usage of Port 6 Input Change Wake-up/Interrupt Function..............................24
Reset and Wake-up Operation..........................................................................25
6.5.1.1 Wake-up and Interrupt Modes Operation Summary ..........................27
6.5.1.2 Register Initial Values after Reset ......................................................30
6.5.1.3 Controller Reset Block Diagram.........................................................34
External Reference Signal ................................................................................38
6.7.3.1 Bank 0-RE (WUCR: Wake-up Control Register)................................39
6.7.3.2 Bank 1-RA (CMPCON: Comparator Control Register) ......................40
6.7.3.3 Bank 1-RE (WDT Control Register) ...................................................40
Oscillator Modes................................................................................................41
Crystal Oscillator/Ceramic Resonators (Crystal)...............................................41
Internal RC Oscillator Mode ..............................................................................45
Residual Voltage Protection ..............................................................................46
Product Specification (V1.2) 04.22.2008