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EM78M680 데이터시트(PDF) 13 Page - ELAN Microelectronics Corp

부품명 EM78M680
상세설명  USB Full Speed Microcontroller
PDF  53 Pages
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제조업체  EMC [ELAN Microelectronics Corp]
홈페이지  http://www.emc.com.tw
Logo EMC - ELAN Microelectronics Corp

EM78M680 데이터시트(HTML) 13 Page - ELAN Microelectronics Corp

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Contents
Product Specification (V1.11) 02.10.2007
•
7
5
Block Diagram
Oscillator
Timing
Control
Built-in
RC
Prescaler
R1
(TCC)
WDT
Timer
DATA & CONTROL BUS
OSCI
OSCO
R2
(PC)
Stack1
ALU
ACC
R3
(Status)
ROM
Instruction
register
Instruction
Decoder
Interrupt
Control
Reset &
Sleep &
Wake up
Control
3.3V
Regulator
USB
Device
Controller
VDD
V3.3
Transceiver
D+
D-
TCC
WDT
RAM
R4
(RSR)
Stack2
Stack3
Stack4
Stack5
RC,RD
Prescaler
I/O
Port 8
P80/AD
P81/AD
P82/AD
P83/AD
P84/AD
P85/AD
P86/AD
P87/AD
I/O
Port 9
P90
P91
P92/PWM1/SE1
P94/Vpp
P95
P96
I/O
Port 7
Pattern
Detect
Application
ADC
PWM
Stack6
Stack7
P70
P71
P72
P93/PWM2/SE2
I/O
Port 6
P60/AD
P61/AD
P62/AD
P63/AD
P64/AD
P65/AD
P66/AD
P67/AD
I/O
Port 5
P50/AD
P51/AD
P52/AD
P53/AD
P54/AD
P55/AD
P56/AD
P57/AD
P76
P77
Stack8
EP
FIFO
EEPROM
6
Function Description
The EM78M680 memory is organized into four spaces, namely; User Program
memory in 6K
×13 bits ROM space, Data Memory in 271 bytes SRAM space,
EEPROM space, and USB Application FIFOs for Endpoint 0, Endpoint 1, Endpoint
2, Endpoint 3, Endpoint 4, Endpoint 5. Furthermore, several registers are used for
special purposes.
6.1 Program Memory
The program space of the EM78M680 is 6K bytes, and is divided into six pages.
Each page is 1K bytes long. After a Reset, the 13-bit Program Counter (PC) points
to location zero of the program space.
The Interrupt Vectors are at 0x0008 (USB and TCC interrupts), 0x0010 (RF
interrupt), 0x0018 (P76 P77 port change interrupt) and 0x020 (EP1~5 output
endpoint interrupt).



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