EM78P311N
8-Bit Microcontroller
5 Function Description
5.1 Functional Block Diagram
Start-up
Timer
Ext.
OSC.
Ext.
RC
P9
PC
ROM
P90
WDT
P91
P92
P93
P94
P95
P96
P97
TC2
TC2
Oscillation
Generation
8-levelstack
(13 bit)
Instruction
Register
TC3
TC4
TC3
TC4
Reset
TX RX
Instruction
Decoder
UART
SPI
P8
Sin Sout
SCK
P80
P81
TCC
Mux
.
TCC
Keytone
ALU
TBKTC
P7
P70
P71
P72
R4
P73
P74
P75
P76
P77
RAM
Interrupt
Control
Register
R3
StatusReg.
ACC
P6
P60
Interrupt
Circuit
P61
P62
P63
P64
P65
P66
P67
ADC
Ext INT0 Ext INT1 Ext INT3 Ext INT5
Ain 0~7
Fig. 5-1 Functional Block Diagram
Product Specification (V1.0) 10.02.2006
(This specification is subject to change without further notice)
• 3
ELAN [ ELAN MICROELECTRONICS CORP ]
