參數(shù)資料
型號： UPD753304W
廠商： NEC Corp.
元件分類： 4位微控制器
英文描述： 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
中文描述： 4位單片機(jī)的小型通用紅外遙控器
文件頁數(shù)： 43/56頁
文件大?。?/td> 374K
代理商： UPD753304W
43
μ
PD753304
High-level input leakage
current
Low-level input leakage
current
DC Characteristics (T
A
= –10 to +60
°
C, V
DD
= 2.5 to 5.5 V)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Low-level output current
I
OL
Par pin
15
mA
Total of all pins
150
mA
High-level input voltage
V
IH1
Ports 3, 8, P100-P102
0.7V
DD
V
DD
V
V
IH2
P103, RESET
0.8V
DD
V
DD
V
Low-level input voltage
V
IL1
Ports 3, 8, P100-P102
0
0.3V
DD
V
V
IL2
P103, RESET
0
0.2V
DD
V
High-level output voltage
V
OH1
P31-P33, Ports 8, 10
I
OH
= –1.0 mA
V
DD
– 0.5
V
V
OH2
P30 (HCLK)
V
DD
– 0.12
V
Low-level output voltage
V
OL1
P31-P33, Ports 8, 10
I
OL
= 1.6 mA
0.4
V
V
OL2
P30 (HCLK)
0.19
V
I
LIH1
V
IN
= V
DD
Pins other than CL1
3
μ
A
I
LIH2
CL1
20
μ
A
I
LIL1
V
IN
= 0 V
Pins other than CL1
–3
μ
A
I
LIL2
CL1
–20
μ
A
High-level output leakage
current
I
LOH
V
OUT
= V
DD
3
μ
A
Low-level output leakage
current
I
LOL
V
OUT
= 0 V
–3
μ
A
Internal pull-up resistor
R
L1
Port 10
50
100
200
k
R
L2
RESET (Mask option)
30
60
120
k
LCD drive voltage
V
LCD
2.5
5.5
V
LCD divider resistor
R
LCD
50
100
200
k
LCD output voltage
deviation
Note 1
(common)
V
ODC
Note 2
2.5 V
≤
V
LCD
≤
V
DD
0
±
0.2
V
LCD output voltage
deviation
Note 1
(segment)
V
ODS
0
±
0.2
V
Notes 1.
“Voltage deviation” means a difference between the output voltage and the ideal value of the
segment and common outputs (V
LCDn
: n = 0, 1, or 2).
The LCD controller/driver can select the following three display modes using a mask option:
(1) Static
:
V
LCD0
= V
LCD
(2) 1/2 bias:
V
LCD0
= V
LCD
V
LCD1
= V
LCD
×
1/2
(3) 1/3 bias:
V
LCD0
= V
LCD
V
LCD1
= V
LCD
×
2/3
V
LCD2
= V
LCD
×
1/3
2.
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