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GPLB37A5 Fiches technique(PDF) 6 Page - Generalplus Technology Inc.

No de pièce GPLB37A5
Description  LCD Controller
PDF  20 Pages
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Fabricant  GENERALPLUS [Generalplus Technology Inc.]
Site Internet  http://www.generalplus.com
Logo GENERALPLUS - Generalplus Technology Inc.

GPLB37A5 Fiches technique(HTML) 6 Page - Generalplus Technology Inc.

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GPLB37A5
© Generalplus Technology Inc.
Proprietary & Confidential
6
Dec. 23, 2015
Version: 1.0
5. SIGNAL DESCRIPTIONS
Total: 124 pins
Mnemonic
PIN No.
Type
Description
SEG59 - 19
SEG18 - 0
SEG63 - 62 / PA6 - 7
SEG61- 60 / PC0 - 1/SCK, SDA
SEG73 - 70 / COM25 - 22 / PC4
– 7
SEG69 - 64 / COM21-16 / PB0-5
84-124
1 - 19
80 - 81
82 - 83
70 - 73
74 - 79
O
O
I/O
I/O
I/O
I/O
LCD driver segment output. SEG15 - 0 share pin with key scan port.
SEG63 - 62 opted to PA6 - 7.
SEG61 - 60 optioned to PC0 - 1 / SCK, SDA.
SEG73 - 70 opted to COM25 - 22 or PC4
– 7(PortC 4, 5 shared with
Ext-I, Ext-ck).
SEG69 - 64 opted to COM21 - 16 or PB0 - 5.
COM15 - 0
COM31 - 26 / PD0 - 5
20 - 35
64 - 69
O
I/O
LCD driver common output.
PA5 - 0
63 - 58
I/O
Port A is a bi-directional I/O port, which can be programmed as wakeup
I/O.
PC3 / Rx
57
I/O
UART input, sharing pin with PC3.
PC2 / Tx
56
I/O
UART output, sharing pin with PC2.
ROSC
41
I
R-oscillator input, connected to VDD through a resistor.
RESET
40
I
System reset input, low active.
AUDA, AUDB
39, 37
O
PWM/DAC audio output.
X32I
44
I
32.768KHz crystal input or connected to VDD through a resistor (option).
X32O
43
O
32.768KHz crystal output.
TEST
42
I
Test input.
CUP4 - 1
49 - 46
P
LCD voltage generation.
Charge pump capacitor inter-connection pins.
VLCD
55
P
LCD voltage generation.
V4 - 1
53 - 50
P
LCD voltage generation.
VDD
54
P
Power supply voltage input.
VSS
45
P
Ground reference.
PVDD
38
P
PWM driver power.
PVSS
36
P
PWM driver ground reference.
Legend: I = Input, O = Output, P = Power



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