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EM78P311N Schematic ( PDF Datasheet ) - ELAN Microelectronics

Teilenummer EM78P311N
Beschreibung 8-BIT Microcontroller
Hersteller ELAN Microelectronics
Logo ELAN Microelectronics Logo 




Gesamt 30 Seiten
EM78P311N Datasheet, Funktion
www.DataSheet4U.com
EM78P311N
8-BIT
Microcontroller
Green Product
Specification
DOC. VERSION 1.0
ELAN MICROELECTRONICS CORP.
October 2006






EM78P311N Datasheet, Funktion
EM78P311N
8-Bit Microcontroller
4 Pin Description
Table 1
Symbol
VDD
Pin No.
28
OSCI
2
Type
I
OSCO 1 I/O
/RESET
27
I
P60~P67 19~26
I/O
P70~P73 15~18
I/O
P80~P81 12~13
I/O
P90~P97 4~11
I/O
VSS
NC
14
3
OTP Programming Pins
VPP
27 I
ACLK
1
I
DATAIN
25
I/O
DINCK
PGMB
OEB
26
24
23
I
I
I
Function
Power supply
Crystal type: Crystal input terminal
RC type: RC oscillator input pin
Crystal type: Output terminal for crystal oscillator
RC type: Instruction clock output
External clock signal input
Input pin with Schmitt Trigger. If this pin remains at logic low, the
controller will also remain in reset condition.
8-bit bidiectional input/output pins.
P60 can be used as external Interrupt 0 (/INT0).
P61 can be used as external Interrupt 1 (INT1).
P62 can be used as 16-bit Timer/Counter 2 (TC2).
P63 can be used as divider output (/TONE).
P64 slave mode enable (/SS).
P60 ~ P63 can be used as pull-high or pull-low pins.
8-bit bidiectional input/output pins.
P70 can be used as SPI serial clock input/output (/SCK)
P71 can be used as SPI serial data input (SI) or UART data receive
input (RX)
P72 can be used as SPI serial data output (SO) or UART data
transmit output (TX)
P73 can be used as Sleep mode release input (/SLEEP) or external
interrupt input 5 (/INT5)
P70 ~ P73 can be used as pull-high or pull-low pins
2-bit bidiectional input/output pins.
P80 can be used as 8-bit Timer/Counter 3 (TC3) or external
Interrupt Input 3 (INT3).
P81 can be used as 8-bit Timer/Counter 4 (TC4) or programmable
divider output (PDO).
P80 ~ P81 can be used as pull-high or pull-low pins.
8-bit bidiectional input/output pins.
P90~P97 can be used as 8 channel 10-bit resolution A/D converter.
P97 can be used as AD reference power supply input (VREF).
Ground
No connection
Programming voltage input
CLK for OTP memory address increment
ROM code series input and series output pin
ROM code input clock
Program write enable pin. Active low.
Output enable pin. Active low.
2 Product Specification (V1.0) 10.02.2006
(This specification is subject to change without further notice)

6 Page









EM78P311N pdf, datenblatt
EM78P311N
8-Bit Microcontroller
R6 (Port 6 I/O Data Register)
Bit 7
Bit 6
Bit 5
Bit 4
P67 P66 P65 P64
Bit 3
P63
Bit 2
P62
Bit 1
P61
Bit 0
P60
Bit 7 ~ Bit 0 ( P67 ~ P60 ) : 8-bit Port 6 I/O data register
User can use IOC6 register to define each bit whether input or output.
R7 (Port 7 I/O Data Register)
Bit 7
0
Bit 6
0
Bit 5
0
Bit 4
0
Bit 3
P73
Bit 2
P72
Bit 1
P71
Bit 0
P70
Bit 3 ~ Bit 0 ( P73 ~ P70 ) : Port 73 ~ Port 70 I/O data register
User can use IOC7 register to define each bit whether input or output.
R8 (Port8 I/O Data Register)
Bit 7
0
Bit 6
0
Bit 5
0
Bit 4
0
Bit 3
0
Bit 2
0
Bit 1
P81
Bit 0
P80
Bit 1 ~ Bit 0 ( P81 ~ P80 ) : Port 81 ~ Port 80 I/O data register
User can use IOC8 register to define each bit whether input or output.
R9 (Port9 I/O Data Register)
Bit 7
P97
Bit 6
P96
Bit 5
P95
Bit 4
P94
Bit 3
P93
Bit 2
P92
Bit 1
P91
Bit 0
P90
Bit 7 ~ Bit 0 ( P97 ~ P90 ) : 8-bit Port 97 ~ Port 90 I/O data register
User can use IOC9 register to define each bit whether input or output.
RB (Timer/Counter 4 Control Register)
Bit 7
TC4FF1
Bit 6
TC4FF0
Bit 5
TC4S
Bit 4
Bit 3
Bit 2
TC4CK2 TC4CK1 TC4CK0
Bit 1
TC4M1
Bit 0
TC4M0
Bit 7 ~ Bit 6 ( TC4FF1 ~ TC4FF0 ) : Timer/Counter 4 flip-flop control
TC4FF1
TC4FF0
Operating Mode
0 0 Clear
0 1 Toggle
1 0 Set
1 1 Reserved
Bit 5 ( TC4S ) : Timer/Counter 4 start control
TC4S = “0” : Stop and clear counter
TC4S = “1” : Start
8 Product Specification (V1.0) 10.02.2006
(This specification is subject to change without further notice)

12 Page





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