EM78M612
Universal Serial Bus Microcontroller Series
7 Function Block Diagram
OSCI
OSCO
VDD
V3. 3
D+
D-
Stack1
Stack2
Stack3
Stack4
Stack5
R2
(PC)
3.3V
Oscillator
Transceiver
Built-in
RC
ROM
Regulator
Timing
Control
USB
EEPROM
Device
Instruction
register
R3
Controller
(Status)
Prescaler
WDT
Prescaler
TCC
R AM
Reset &
Sleep &
Wake up
Control
AL U
AC C
Interrupt
Control
Instruction
Decoder
WDT
R1
Timer
(TCC)
R4
(RSR)
DATA& CONTROL BUS
PWM
AD C
P60/PDA
P61/AD
P62/AD
P70/AD
P71/AD
P72/AD
P50/D+
P51/D-
I/O
I/O
I/O
Port 5
Pattern
Detect
P83/AD
P73/AD
P74/AD
P75/AD
P64/AD
Port 6
Port 7
P65/AD
P66/AD
P67/AD
P76/AD
P77/AD
Application
Figure 7 EM78M612 Series Function Block Diagram
8 Function Description
The EM78M612 memory is organized into 4 spaces, namely; User Program Memory in
2048*13 bits ROM space, Data Memory in 112 bytes SRAM space, and USB Application
FIFOs (for EndPoint0 and EndPoint1). Furthermore, several registers are used for special
purposes.
This specification may change without further notice.
2004/4/28 V1.1
7
ELAN [ ELAN MICROELECTRONICS CORP ]
