EM78P312N
8-Bit Microcontroller
5
Function Description
5.1 Functional Block Diagram
P9
P90
P91
P92
P93
P94
P95
P96
P97
ROM
PC
Ext.
OSC.
Ext.
RC
Start-up
Timer
WDT
TC2
Instruction
Register
8-level stack
(13 bit)
Oscillation
Generation
TC2
TC3
TC3
TC4
P8
P80
P81
Instruction
Decoder
Reset
TC4
TX RX
UART
SPI
Sin Sout
SCK
TCC
Keytone
TBKTC
ALU
P7
P70
P71
P72
P73
P74
P75
P76
P77
Mux
.
TCC
R4
RAM
ACC
R3
Status Reg.
Interrupt
Control
Register
P6
P60
P61
P62
P63
P64
P65
P66
P67
Interrupt
Circuit
ADC
Ext INT0
Ext INT1
Ext INT3
Ext INT5
Ain 0~7
Fig. 5-1 Functional Block Diagram
Product Specification (V1.0) 10.03.2006
(This specification is subject to change without further notice)
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3
EMC [ ELAN MICROELECTRONICS CORP ]
