EM78P468LAQ EMC [ELAN Microelectronics Corp], EM78P468LAQ Datasheet - Page 13
EM78P468LAQ
Manufacturer Part Number
EM78P468LAQ
Description
8-BIT Microcontroller
Manufacturer
EMC [ELAN Microelectronics Corp]
Datasheet
1.EM78P468LAQ.pdf
(83 pages)
- Current page: 13 of 83
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Product Specification (V1.0) 03.15.2006
(This specification is subject to change without further notice)
SEG11~SEG14
SEG16/P7.0
SEG17/P7.1
SEG23/P7.7
SEG24/P8.0
SEG31/P8.4
P5.7/IROUT
P5.4/INT0
P5.5/INT1
P5.6/TCC
COM3~0
/RESET
R-OSCI
VLCD2
VLCD3
OSCO
PIN
GND
VDD
Xout
P6.0
P6.7
Xin
VB
VA
~
~
~
PIN number
Table 1 (b) Pin Description for Package of QFP44 and LQFP44
25~32
6~9
5~2
18
15
24
44
38
37
33
12
13
16
17
19
20
14
21
22
23
10
11
1
~
~
I/O type
O/(I/O)
O/(I/O)
I/O
I/O
I/O
I/O
I/O
O
O
O
O
O
O
O
O
I
I
I
I
I
* Power supply pin
* System ground pin
* In crystal mode: crystal input
* In RC mode: resistor pull high.
* In PLL mode: connect 0.01μF capacitance to GND
* Connect 0.01μF capacitor to GND and code option
* In crystal mode: crystal output
* In RC mode: instruction clock output
* In crystal mode: Input pin for sub-oscillator. Connect to a
* RC mode: this pin is connected with a resistor to high
* In crystal: Connect to a 32.768KHz crystal
* In RC mode: instruction clock output
* Low active. If set as /RESET and remains at logic low
* the devices will be reset
* General purpose I/O pin. /external interrupt.
* INT0 interruption source can be set to falling or rising
* Wake up from sleep mode and idle mode when the pin
* General purpose I/O pin. /external interrupt.
* Interruption source is a falling edge signal.
* Wake up from sleep mode and idle mode when the pin
* General purpose I/O/ external counter input
* This pin works in normal/green/idle mode.
* General purpose I/O pin or IR/PWM mode output pin,
* Capable of sinking 20mA/5V.
* General purpose I/O pin.
* Pull-high, pull-low and open drain function support.
* All pins can wake up from sleep and idle modes when
* LCD common output pin.
* LCD segment output pin.
* LCD segment output pin. Can be shared with general
* LCD segment output pin. Can be shared with general
* For general purpose I/O use, can wake up from sleep
* For general purposes I/O use, supports pull-high
* Connect capacitors for LCD bias voltage
* Connect capacitors for LCD bias voltage
* One of LCD bias voltage
* One of LCD bias voltage
select PLL mode when high oscillator is not use.
32.768KHz crystal
level.
edge by IOC71 register bit 7 (INT_EDGE).
status changes.
the pin status changes.
purposes I/O pin
I/O pin
mode and idle mode when the pin status changes.
function.
status changes.
Description
8-BIT Microcontroller
EM78P468L
• 9
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