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Home 61 Key Electronic Keyboard Module BM72D5121-1
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61 Key Electronic Keyboard Module BM72D5121-1
61 Key Electronic Keyboard Module BM72D5121-1
US$6.20
The product is a 61 key electronic keyboard module integrated Holtek 32-bit MCU HT32F61356. It supports 128 General MIDI sounds and a percussion sound set. In addition to the 61-key keyboard, it features 62 function keys for enhanced control and customization. It also allows users to expand functionality with peripheral circuits, such as adding an LCD display, sustain pedal, and more. The product is suitable for applications of electronic keyboards, electronic drum pads, and other musical instruments.
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FEATURES
Operating voltage: 4.5V~5.5V
Operating current: 25mA~40mA @5V
Sounds
Keys
Tracks
Integrated 64Mbits Data Flash Sounds output: DAC, I2 S Interface: UART (baud rate: 31250bps), USB MIDI Operating temperature: -40℃~80℃
PIN DESCRIPTION
Pin
Name
Function
1
AVOUT_3V3
Analog signals power output: 3.3V
2
AGND
Ground (analog signals)
3
DAC-R
Audio DAC right channel
4
DAC-L
Audio DAC left channel
5
AGND
Ground (analog signals)
6
ADC2
Vibrato wheel ADC input
7
ADC1
Pitch wheel ADC input
8
UR-TX
UART: TX
9
UR-RX
UART: RX
10
I2S-WS
I2 S word select
11
I2S-BCLK
I2 S bit clock
12
I2S-SDO
I2 S serial data
13
I2S-MCLK
I2 S main clock
14
USBDM
USB differential data bus that complies with
15
USBDP
USB differential data bus that complies with
16~31
SEG0~SEG15
Matrix key SEG ports
32~47
COM15~COM0
Matrix key COM ports
48
LCD-CS
LCD chip select
49
LCD-WR
LCD write clock
50
LCD-DA
LCD serial data
51
COD2
Rotary encoder input
52
COD1
Rotary encoder input
53
SUSTAIN
Sustain pedal input
54
DVOUT_3V3
Digital signals power output: 3.3V
55
VIN
Power supply: 4.5V~5.5V
56
GND
Ground (digital signals)
RESOURCES
MCU: Holtek HT32F61356 , 32-Bit Arm® Cortex®-M0+ Music Synthesizer MCU, including datasheet, package information, etc.
More Information
HS Code (reference)
8518.90.90.00-1
Net Weight
5.2g
Dimension
47.32 x 39.88 x 2.65 mm
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