KT1025B Datasheet
QingYue Technology Co.,LTD
Version:V1.0
Date:2018.04.20
Copyright © QingYue Technology Co.,LTD. All rights reserved.
Shenzhen Qingyue Electronics Co., Ltd.
2
KT1025B Features
High performance 32-bit RISC CPU
RISC 32-bit CPU
DC-160MHz operation
Support DSP instructions
64Vectored interrupts
4 Levels interrupt priority
Flexible I/O
11 GPIO pins
All GPIO pins can be programmable as input or output individually
All GPIO pins are internal pull-up/pull-down selectable individually
CMOS/TTL level Schmitt triggered input
External wake up/interrupt on all GPIOs
Peripheral Feature
One full speed USB 2.0 OTG controller
One audio interface supports IIS, left adjusted, right adjusted and DSP mode
Four multi-function 16-bit timers, support capture and PWM mode
Three 16-bit PWM generator for motor driving
One 16-bit active parallel port
One full-duplex basic UART
Two full-duplex advanced UART
One SPI interface supports host and device mode
Two SD Card Host controller
One IIC interface supports host and device mode
One Quadrate decoder
Watchdog
1 Crystal Oscillator
16-bit Stereo DAC with headphone amplifier, SNR >= 95dB
1 channel ADC , SNR >= 90dB
1 channel MIC amplifier
2 channels Stereo analog MUX
8 channels 10-bit ADC
2 channels 8 levels Low Voltage Detector
Power-on reset
Embedded PMU support low power mode
Bluetooth Feature
CMOS single-chip fully-integrated radio and baseband
Compliant with Bluetooth V5.0+BR+EDR+BLE specification
Bluetooth Piconet and Scatternet support
Shenzhen Qingyue Electronics Co., Ltd.
3
Meet class2 and class3 transmitting power requirement
Support GFSK and π/4 DQPSK all paket types
Provides +2dbm transmitting power
receiver with -89dBm sensitivity
Support a2dp\avctp\avdtp\avrcp\hfp\spp\smp\att\gap\gatt\rfcomm\sdp\l2cap profile
FM Tuner
Support worldwide frequency band 76-108MHz
Fully integrated digital low-IF tuner & frequency synthesizer
Autonomous search tuning
Digital auto gain control (AGC)
Digital adaptive noise cancellation
Programmable de-emphasis (50/75 uS)
Receive signal strength indicator (RSSI)
Radio search in multi-channel simultaneously
Digital volume control
Power Supply
VBAT is 2.2V to 5.5V
VDDIO is 2.2V to 3.6V
RTCVDD is 2.2V to 3.6V
Packages
QSOP24
Temperature
Operating temperature: -20℃ to +70℃
Storage temperature: -65℃ to +150℃
Shenzhen Qingyue Electronics Co., Ltd.
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1、Pin Definition
1.1 Pin Assignment
1
2
3
4
5
6
7
8
9
10
24
23
22
21
11
12
14
18
19
20
BT_RF
DACVSS
DACVDD
PC5
PB5
USBDM
USBDP
VSSIO
PB0
VBAT
KT1025B
(QSOP24)
15
16
17
13
VDDIO
BT_OSCO
VCOM
PA0/PA4
BT_OSCI
PA3
PC4
DACL
PB4
PB3
PB1
BT_AVDD
PC3
FMIP
Figure 1-1 KT1025B_QSOP24 Package Diagram
Shenzhen Qingyue Electronics Co., Ltd.
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