EM78P350N
8-Bit Microprocessor with OTP ROM
4 Functional Block Diagram
Start-up
Timer
Ext.
OSC.
Int.
RC
Ext.
RC
P8
PC
ROM
WDT
P80
P81
P82
P83
P84
PWM1
PWM2
PWM1
(Timer 1)
Oscillation
Generation
8-levelstack
(13 bit)
Instruction
Register
PWM2
(Timer 2)
PWM3
Buzzer
Out
Sin Sout
SCK
PWM3
(Timer 3)
P7
Sub
Reset
OSC
P70
Instruction
Decoder
Buzzer
SPI
P71
P72
P73
P74
P75
P76
P77
TCC
Mux
.
TCC
ALU
CNTR1
CNTR2
CNTR 1
CNTR 2
P6
R4
P60
P61
P62
P63
P64
P65
P66
P67
RAM
LVD
LVR
Interrupt
Control
Register
R3
(StatusReg.)
ACC
P5
P50
P51
P52
P53
P54
Interrupt
Circuit
Comparator
(CO) or OP
ADC
P55
P56
P57
Cin+ Cin- CO
Ain0~7
Ext INT
Fig. 4-1 EM78P350N Functional Block Diagram
Product Specification (V 1.0) 09.14.2006
(This specification is subject to change without further notice)
• 3
ELAN [ ELAN MICROELECTRONICS CORP ]
