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PDF HE84760 Data sheet ( Hoja de datos )
| Número de pieza | HE84760 | |
| Descripción | 8-bit Micro-controller | |
| Fabricantes | King blillion Electronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de HE84760 (archivo pdf) en la parte inferior de esta página. Total 31 Páginas | ||
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King Billion Electronics Co., Ltd
HE84760
駿億電子股份有限公司
wwwH.DEat8a0Sh0e0e0t4SU.EcoRmIES
- Table of Contents -
1. General Description ___________________________________________________________________2
2. Features _____________________________________________________________________________2
3. Functional Block Diagram ______________________________________________________________3
4. Pin Description _______________________________________________________________________4
5. Pad Location _________________________________________________________________________7
6. LCD RAM Map _____________________________________________________________________10
7. LCD Power Supply ___________________________________________________________________11
7.1. LCDC Control register _____________________________________________________________14
8. Oscillators __________________________________________________________________________14
9. General Purpose I/O__________________________________________________________________16
10. Key Scan Circuit___________________________________________________________________18
11. Timer1 ___________________________________________________________________________19
12. Timer2 ___________________________________________________________________________20
13. Time Base Interrupt________________________________________________________________22
14. Watch Dog Timer __________________________________________________________________22
15. Digital-to-Analog Converter _________________________________________________________23
16. Pulse-Width Modulation ____________________________________________________________24
17. Dual-Tone Multiple Frequency Generator______________________________________________25
18. Absolute Maximum Rating __________________________________________________________27
19. Recommended Operating Conditions _________________________________________________27
20. AC/DC Characteristics _____________________________________________________________28
21. Application Circuit_________________________________________________________________29
22. Important Note ____________________________________________________________________30
23. Updated Record ___________________________________________________________________31
August 15, 2003
Page 1 of 31
V1.2
This specification is subject to change without notice. Please contact sales person for the latest version before use.
1 page  
King Billion Electronics Co., Ltd
HE84760
駿億電子股份有限公司
wwwH.DEat8a0Sh0e0e0t4SU.EcoRmIES
Pin Name
PRT14[7..0]
PRT15[7..0]
PRT17[7..0]
COM[31..0]
LCDGS
LVL5
LVL4
LVL3
LCDVTB
LCAP4B
LCAP4A
LCAP3A
LCDVX
LVL1
LVL2
LCAP1A
LCAP1B
LCAP2B
LCAP3B
LCAP2A
LFR
LDL
GND
VO
OPIN
OPIP
OPO
RSTP_N
FXO,
FXI
Pin # I/O
Description
8-bit bi-directional I/O port 14 is shared with LCD segment pads SEG[23..16]. The
function of the pad can be selected individually by mask options MO_LIO14[7..0].
181~
183,
1~5
B/
O
(‘1’ for LCD and ‘0’ for I/O).
The output type of I/O pad can also be selected by mask option MO_14PP[7..0] (1 for
push-pull and ‘0’ for open-drain).
As the output structure of I/O pad does not contain tri-state buffer. When using the
I/O as input, “1” must be outputted before reading.
8-bit bi-directional I/O port 15 is shared with LCD segment pads SEG[16..8]. The
function of the pad can be selected individually by mask options MO_LIO15[7..0].
6 ~ 13
B/
O
(‘1’ for LCD and ‘0’ for I/O).
The output type of I/O pad can also be selected by mask option MO_15PP[7..0] (1 for
push-pull and ‘0’ for open-drain).
As the output structure of I/O pad does not contain tri-state buffer. When using the
I/O as input, “1” must be outputted before reading.
8-bit bi-directional I/O port 17 is shared with LCD segment pads SEG[7..0]. The
function of the pad can be selected individually by mask options MO_LIO17[7..0].
14 ~ 21
B/
O
(‘1’ for LCD and ‘0’ for I/O).
The output type of I/O pad can also be selected by mask option MO_17PP[7..0] (1 for
push-pull and ‘0’ for open-drain).
As the output structure of I/O pad does not contain tri-state buffer. When using the
I/O as input, “1” must be outputted before reading.
22~53 O LCD COMMON Driver pads.
54 B LCD Voltage setting. Adjust Resistor between LCDGS and LVL2 to set LVL5.
55 B LCD Bias Voltage 5
56 B LCD Bias Voltage 4
57 B LCD Bias Voltage 3
58 B Charge Pump Capacitor Pin
59 B Charge Pump Capacitor Pin.
60 B Charge Pump Capacitor Pin
61 B Charge Pump Capacitor Pin
62 B Charge Pump Capacitor Pin
63 B LCD Bias Voltage 1
64 B LCD Bias Voltage 2
65 B Charge Pump Capacitor Pin
66 B Charge Pump Capacitor Pin
67 B Charge Pump Capacitor Pin
68 B Charge Pump Capacitor Pin
69 B Charge Pump Capacitor Pin
70 O LCD frame signal for interfacing with LCD segment extender KDS80.
71 O LCD data load pin for interfacing with LCD segment extender KDS80.
72 P Power ground Input.
73 O DAC Output.
74
I
Inverting input of OP Amp. Set the bit 0 (OP = 1) of VOC register to turn on OP
comparator.
75 I Non-inverting input of OP Amp.
76 O Output of OP Amp.
77
I
System Reset input pin. Level trigger, active low on this pin will put the chip in reset
state.
External fast clock pin. Two types of oscillator can be selected by MO_FXTAL (‘0’
78, O, for RC type and ‘1’ for crystal type). For RC type oscillator, one resistor needs to be
79 B connected between FXI and GND. For crystal oscillator, one crystal needs to be
placed between FXI and FXO. Please refer to application circuit for details.
August 15, 2003
Page 5 of 31
V1.2
This specification is subject to change without notice. Please contact sales person for the latest version before use.
5 Page 
King Billion Electronics Co., Ltd
HE84760
駿億電子股份有限公司
wwwH.DEat8a0Sh0e0e0t4SU.EcoRmIES
48 COM：
Page
7,6
COM0
COM1
:
COM15
COM16
:
COM31
COM32
:
COM46
COM47
SEG
[7:0]
7C0H
7C1H
:
7CFH
7D0H
:
7DFH
7E0H
:
7EEH
7EFH
SEG SEG SEG
[15:8] [23:16] [31:24]
780H 740H 700H
781H 741H 701H
::
:
78FH 74FH 70FH
790H 750H 710H
::
:
79FH 75FH 71FH
7A0H 760H 720H
::
:
7AEH 76EH 72EH
7AFH 76FH 72FH
SEG
[39:32]
6C0H
6C1H
:
6CFH
6D0H
:
6DFH
6E0H
:
6EEH
6EFH
SEG
[47:40]
680H
681H
:
68FH
690H
:
69FH
6A0H
:
6AEH
6AFH
SEG
[55:48]
640H
641h
:
64FH
650H
:
65FH
660H
:
66EH
66FH
SEG SEG
[63:56] [71:64]
600H 5C0H
601H 5C1H
::
60FH 5CFH
610H 5D0H
::
61FH 5DFH
620H 5E0H
::
62EH 5EEH
62FH 5EFH
SEG
[79:72]
580H
581H
:
58FH
590H
:
59FH
5A0H
:
5AEH
5AFH
64 COM:
Page 7
COM0
COM1
:
COM15
COM16
:
COM31
COM32
:
COM47
COM48
:
COM62
COM63
SEG
[7:0]
7C0H
7C1H
:
7CFH
7D0H
:
7DFH
7E0H
:
7EFH
7F0H
:
7FEH
7FFH
SEG
[15:8]
780H
781H
:
78FH
790H
:
79FH
7A0H
:
7AFH
7B0H
:
7BEH
7BFH
SEG
[23:16]
740H
741H
:
74FH
750H
:
75FH
760H
:
76FH
770H
:
77EH
77FH
SEG
[31:24]
700H
701H
:
70FH
710H
:
71FH
720H
:
72FH
730H
:
73EH
73FH
Page 6
COM0
COM1
:
COM15
COM16
:
COM31
COM32
:
COM47
COM48
:
COM62
COM63
SEG
[39:32]
6C0H
6C1H
:
6CFH
6D0H
:
6DFH
6E0H
:
6EFH
6F0H
:
6FEH
6FFH
SEG
[47:40]
680H
681H
:
68FH
690H
:
69FH
6A0H
:
6AFH
6B0H
:
6BEH
6BFH
SEG
[55:48]
640H
641H
:
64FH
650H
:
65FH
660H
:
66FH
670H
:
67EH
67FH
SEG
[63:56]
600H
601H
:
60FH
610H
:
61FH
620H
:
62FH
630H
:
63EH
63FH
7. LCD Power Supply
The built-in LCD power supply is equipped with input voltage regulator, voltage charge pump and bias
voltage generating circuit with active buffer instead of passive resistor voltage dividing network. The
input voltage is regulated to LVL2 using the internally generated reference voltage. LVL2 can be adjusted
by resistor between LCDGS and LVL2.
LVL2 adjustment guideline: First, the level of VDD must be 0.3 volt higher than LVL2 even at the end of
battery life for the regulator to function properly. For example, if the VDD is expected to drop to 2.2 volts
when battery is low, then the level of LVL2 can only be set at 1.9 volts max. The
August 15, 2003
Page 11 of 31
V1.2
This specification is subject to change without notice. Please contact sales person for the latest version before use.
11 Page | ||
| Páginas | Total 31 Páginas | |
| PDF Descargar | [ Datasheet HE84760.PDF ] | |
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