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EM78P330 Datasheet(PDF) 10 Page - ELAN Microelectronics Corp

Part # EM78P330
Description  8-Bit Microprocessor with OTP ROM
Download  112 Pages
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Manufacturer  EMC [ELAN Microelectronics Corp]
Direct Link  http://www.emc.com.tw
Logo EMC - ELAN Microelectronics Corp

EM78P330 Datasheet(HTML) 10 Page - ELAN Microelectronics Corp

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EM78P330/331N
8-Bit Microprocessor with OTP ROM
4
Product Specification (V1.1) 03.13.2007
(This specification is subject to change without further notice)
5
Pin Description
5.1
EM78P330N
Symbol
Pin No.
Type
Function
P50~P57
10~11
15~16
25~26
I/O
8-bit General purpose input/output pins
Default value at power-on reset
P60~P65
17~22
I/O
6-bit General purpose input/output pins
Default value at power-on reset
P70~P71
P73~P76
27, 28
1~4
I/O
6-bit General purpose input/output pins
Default value at power-on reset
P80 ~ P84
5~7
9, 14
I/O
5-bit General purpose input/output pins
Default value at power-on reset
INT0, INT1
15, 16
I
External interrupt pin triggered by falling edge
Ain0~Ain5
17~22
I
6-bit Analog-to-Digital Converter
Defined by AISR (Bank 2 R8) <0 : 7>
PWM1
PWM2
27
28
O
Pulse width modulation outputs
Defined by PWMCON (Bank 1-R5)<5 : 7>
BO
9
O
Buzzer output driver
VREF
14
I
External reference voltage for ADC
Defined by ADCON (Bank 2 R9) <7>.
CIN-
CIN+
CO
23
24
25
I
I
O
“-“ : the input pin of Vin- of the comparator
“+” : the input pin of Vin+ of the comparator
Pin CO is the comparator output
Defined by CMPCON (IOCA) <0:1>
/RESET
8
I
General-purpose Input only
If it remains at logic low, the device will be reset
Wake-up from sleep mode when pin status changes
Voltage on /RESET must not exceed Vdd during normal
mode
TCC
26
I
Real time clock/counter with Schmitt Trigger input pin. It
must be tied to VDD or VSS if not in use.
CNTR1
4
I
Counter 1 / Counter 2 with Schmitt Trigger input pin.
Sin
7
I
Sin pin is used to input serial data signals by software.
Sin pin is also used as port P82.
Sout
6
O
Sout pin is used to input serial data signals by software.
Sout pin is also used as port P81.
Sck
5
I/O
Sck pin is used to input and output synchronous clock
signals for serial data transfer by software.
Sck pin is also used as Port P80.
OSCI
11
I
Crystal type: Crystal input terminal or external clock input
pin
RC type: RC oscillator input pin
OSCO
10
O
Crystal type: Output terminal for crystal oscillator or external
clock input pin.
RC type: Clock output with a duration of one instruction
cycle time. The prescaler is determined by the
CONT register.
External clock signal input.
XIN
1
I
Low crystal 32.768kHz input
XOUT
2
O
Low crystal 32.768kHz output
VDD
13
Power supply
VSS
12
Ground


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