參數(shù)資料
型號(hào)： EM78P468NH
廠商： ELAN Microelctronics Corp .
元件分類(lèi)： 8位微控制器
英文描述： 8-BIT MICROCONTROLLER
中文描述： 8位微控制器
文件頁(yè)數(shù)： 11/82頁(yè)
文件大小： 1491K
代理商： EM78P468NH
EM78P468N
8-BIT Microcontroller
Product Specification
(V1.2) 03.15.2005
(This specification is subject to change without further notice)
7
Table 1 (a) Pin Description for Package of QFP64 and LQFP64
PIN number
I/O type
29
I
* Power supply pin
26
I
* System ground pin
* In crystal mode: crystal input
* In RC mode: resistor pull high.
* In PLL mode: connect 0.01
μ
F capacitance to GND
* Connect 0.01
μ
F capacitor to GND and code option select
PLL mode when high oscillator is not use.
* In crystal mode: crystal output
* In RC mode: instruction clock output
* In crystal mode: nput pin for sub-oscillator. Connect to a
32.768KHz crystal
* RC mode: this pin is connected with a resistor to high
level.
* 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
edge by IOC71 register bit 7 (INT_EDGE).
* Wake up from sleep mode and idle mode when the pin
status changes.
* 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
status changes.
* General purpose I/O/ external counter input
* This pin works in normal/green/idle mode.
PIN
VDD
GND
Description
R-OSCI
27
I
OSCO
28
O
Xin
30
I
Xout
31
O
/RESET
25
I
P5.4/INT0
32
I/O
P5.5/INT1
33
I/O
P5.6/TCC
34
I/O
P5.7/IROUT
37
I/O
* 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 the
pin status changes.
* LCD common output pin.
* LCD segment output pin.
P6.0
~
P6.7
38~45
I/O
COM3~0
SEG0~SEG15
SEG16/P7.0
~
SEG23/P7.7
17~20
16~1
64
~
57
O
O
O/(I/O)
* LCD segment output pin. Can be shared with general
purposes I/O pin
SEG24/P8.0
~
SEG30/P8.6
SEG31/P8.7
56
~
50
46
O/(I/O)
* LCD segment output pin. Can be shared with general I/O
pin
* For general purpose I/O use, can wake up from sleep
mode and idle mode when the pin status changes.
* For general purposes I/O use, supports pull-high
function.
* Connect capacitors for LCD bias voltage
* Connect capacitors for LCD bias voltage
* One of LCD bias voltage
* One of LCD bias voltage
VB
VA
21
22
23
24
O
O
O
O
VLCD2
VLCD3
NC
35~36
47~49
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