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EM78P613 Schematic ( PDF Datasheet ) - ELAN Microelectronics

Teilenummer EM78P613
Beschreibung Universal Serial Bus Series Microcontroller
Hersteller ELAN Microelectronics
Logo ELAN Microelectronics Logo 




Gesamt 30 Seiten
EM78P613 Datasheet, Funktion
EM78P613
Universal Serial Bus
Series Microcontroller
Product
Specification
DOC. VERSION 1.2
ELAN MICROELECTRONICS CORP.
December 2011






EM78P613 Datasheet, Funktion

6 Page









EM78P613 pdf, datenblatt
EM78P613
Universal Serial Bus Series Microcontroller
7 Functional Description
The EM78P613 memory is organized into three spaces, namely;
„ User Program memory in 6K×13 bits ROM space
„ Data Memory in 208 bytes SRAM space
„ USB Application FIFOs for EndPoint0, EndPoint1, and EndPoint2
7.1 Program Memory
The program space of the EM78P613 is 6K words, and is divided into six pages. Each
page is 1K words long. After a reset, the 13-bit Program Counter (PC) points to
location zero of the program space.
The Interrupt Vector is at 0x0001 and accommodates TCC interrupt, P74~P77 State
Changed interrupt, EndPoint0 interrupt, USB Suspend interrupt, USB Reset interrupt,
and USB Host Resume interrupt.
When interrupt occurs, the MCU will auto save to the Status Register (R3), RAM.
Select Register (R4), R8.7, Accumulator (A), then clear PS0~PS2 and fetch the next
instruction from the corresponding address as illustrated in the following diagram.
After Reset
PC
0X0000
0X0001
0X03FF
0X0400
0X07FF
0X0800
0X0BFF
0X0C00
0X0FFF
0X1000
0X13FF
0X1400
0X17FF
Address
Reset Vector
Interrupt Vector
Page 0
Page 1
Page 2
Page 3
Page 4
Page 5
Figure 7-1 Functional Map Diagram of EM78P613 Program Memory
When executing “RETI” instruction, the MCU will pop A, R3, R4, R8.7and stack, and
enable interrupt.
6 Product Specification (V1.2) 12.15.2011
(This specification is subject to change without further notice)

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