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PDF HE847701 Data sheet ( Hoja de datos )
| Número de pieza | HE847701 | |
| Descripción | 8-bit Micro-controller | |
| Fabricantes | King blillion Electronics | |
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King Billion Electronics Co., Ltd
駿億電子股份有限公司
HE847701
HE80000 SERIES
- Table of Contents -
1. General Description ___________________________________________________________________2
2. Features _____________________________________________________________________________2
3. Functional Block Diagram ______________________________________________________________3
4. Pin Description _______________________________________________________________________3
5. Pad Location _________________________________________________________________________6
6. LCD RAM Map ______________________________________________________________________8
7. LCD Power Supply ___________________________________________________________________11
7.1. LCDC Control register _____________________________________________________________14
8. Oscillators __________________________________________________________________________14
9. General Purpose I/O__________________________________________________________________16
10. Key Scan Circuit___________________________________________________________________17
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. Absolute Maximum Rating __________________________________________________________25
18. Recommended Operating Conditions _________________________________________________25
19. AC/DC Characteristics _____________________________________________________________25
20. Application Circuit_________________________________________________________________27
21. Important Note ____________________________________________________________________28
22. Updated Record ___________________________________________________________________29
March 26, 2004
Page 1 of 29
V1.03
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
駿億電子股份有限公司
HE847701
HE80000 SERIES
Pin Name Pin # I/O
Description
External fast clock pin. Two types of oscillator can be selected by MO_FXTAL (‘0’
FXO,
FXI
107,
108
O,
B
for RC type and ‘1’ for crystal type). For RC type oscillator, one resistor need to be
connected between FXI and GND. For crystal oscillator, one crystal need to be
placed between FXI and FXO. Please refer to application circuit for details.
TSTP_P
109
I
Test input pin. Please bond this pad and reserve a test point on PCB for debugging.
But for improving ESD, please connect this point with zero Ohm resistor to GND.
External slow clock pins. Slow clock is clock source for LCD display, TIMER1,
SXO,
SXI
110,
111
O,
I
Time-Base and other internal blocks. Both crystal and RC oscillator are provided.
The slow clock type can be selected by mask option MO_SXTAL. Choose ‘0’ for RC
type and ‘1’ for crystal oscillator.
VDD
112
P
Positive power Input. 0.1 µF decoupling capacitors should be placed as close to IC
VDD and GND pads as possible for best decoupling effect.
8-bit bi-directional I/O port 10. The output type of I/O pad can be selected by mask
PRT10[7..0]
113~120 B
option MO_10PP[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 pad as input pad, “1” must be outputted before reading.
8-bit bi-directional I/O port D. The output type of I/O pad can also be selected by
mask option MO_DPP[7..0] (‘1’ for push-pull and ‘0’ for open-drain).
PRTD[7..0]
121~128 B
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 the pin.
PRTD[7..2] can be used as wake-up pins. PRTD[7..6] can be as external interrupt
sources.
GND_PWM 129 O Dedicated Ground for PWM output.
PWM
130
O
The PWM output can drive speaker or buzzer directly. Set the bit2 of VOC register
as one to turn on PWM. Using VDD & PWM to drive output device.
8-bit bi-directional I/O port C. PRTC[7:4] is shared with Key Scan Dedicated Input
SCNI[3:0]. The Key Scan function can be disabled by clearing MO_LCDKEY mask
PRTC[7..0]
131 ~
138
option to ‘0’.
B The output type of I/O pad can also be selected by mask option MO_CPP[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 the pin.
VDD_RAM 139 P Dedicated power input for RAM
COM[32..79] pads are shared with SEG[127..80] outputs. The functions of the pads
CMSG[32..79] 140~187 O to be COM drivers or SEG drivers can be selected by mask option MO_COM[0].
Please refer to LCD driver configuration for details.
I: Input, O: Output, B: Bidirectional, P: Power.
March 26, 2004
Page 5 of 29
V1.03
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
駿億電子股份有限公司
HE847701
HE80000 SERIES
Page 6, 5
COM0
COM1
:
COM15
COM16
:
COM31
COM32
:
COM47
COM48
:
COM62
COM63
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
SEG[71:64]
5C0H
5C1H
:
5CFH
5D0H
:
5DFH
5E0H
:
5EFH
5F0H
:
5FEH
5FFH
SEG[79:72]
580H
581H
:
58FH
590H
:
59FH
5A0H
:
5AFH
5B0H
:
5BEH
5BFH
SEG[87:80]
540H
541H
:
54FH
550H
:
55FH
560H
:
56FH
570H
:
57EH
57FH
SEG[95:88]
500H
501H
:
50FH
510H
:
51FH
520H
:
52FH
530H
:
53EH
53FH
80 COM:
Page
7:3
SEG
[7:0]
COM0 780H
COM1 781H
::
COM15 78FH
COM16 790H
::
COM31 79FH
COM32 7A0H
::
COM47 7AFH
COM48 7B0H
::
COM62 7BFH
COM63 7C0H
::
COM78 7CEH
COM79 7CFH
SEG
[15:8]
700H
701H
:
70FH
710H
:
71FH
720H
:
72FH
730H
:
73FH
740H
:
74EH
74FH
SEG
[23:16]
680H
681H
:
68FH
690H
:
69FH
6A0H
:
6AFH
6B0H
:
6BFH
6C0H
:
6CEH
6CFH
SEG
[31:24]
600H
601H
:
60FH
610H
:
61FH
620H
:
62FH
630H
:
63FH
640H
:
64EH
64FH
7. LCD Power Supply
SEG
[39:32]
580H
581H
:
58FH
590H
:
59FH
5A0H
:
5AFH
5B0H
:
5BFH
5C0H
:
5CEH
5CFH
SEG
[47:40]
500H
501H
:
50FH
510H
:
51FH
520H
:
52FH
530H
:
53FH
540H
:
54EH
54FH
SEG
[55:48]
480H
481H
:
48FH
490H
:
49FH
4A0H
:
4AFH
4B0H
:
4BFH
4C0H
:
4CEH
4CFH
SEG
[63:56]
400H
401H
:
40FH
410H
:
41FH
420H
:
42FH
430H
:
43FH
440H
:
44EH
44FH
SEG
[71:64]
380H
381H
:
38FH
390H
:
39FH
3A0H
:
3AFH
3B0H
:
3BFH
3C0H
:
3CEH
3CFH
SEG
[79:72]
300H
301H
:
30FH
310H
:
31FH
320H
:
32FH
330H
:
33FH
340H
:
34EH
34FH
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.
March 26, 2004
Page 11 of 29
V1.03
This specification is subject to change without notice. Please contact sales person for the latest version before use.
11 Page | ||
| Páginas | Total 29 Páginas | |
| PDF Descargar | [ Datasheet HE847701.PDF ] | |
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