AD159A is a low-power Bluetooth chip with a 32-bit processor. The main application areas of this chip include: general-purpose microcontrollers, sound toys, audio players, etc. This article introduces the functions, pin diagrams, PDF specifications, etc. of the Jerry AD159A.
1、 AD159A application field
Universal microcontroller, sound toy, audio player
2、 AD159A Function
CPU processor
32-bit CPU with built-in ICACH, can be connected to Flash to expand code with a main frequency of up to 120mHz
Storage device
Built in 20KB SRAM
Clock source
The RC clock frequency is approximately 16MHz
LRC (Low Power RC) clock frequency is approximately 200KHz
Digital input/output I/O
Up to 17 programmable digital I/O pins
General situation of IO support
Pull up (10k), pull down (60k),
Strong output, weak output, high input, high input
Impedance
Up to 12 external interrupt/wake-up programs
Power supply (low power available, can be multiplexed to any I/O, and compatible with hardware)
Filter
Input and output channels, providing options for any IO input and output of certain modules
Digital peripheral devices
Two UART controllers (UART0/1)
Supports DMA and traffic control
Two SPI controllers with DMA (SPI0/1)
Supports both master and slave modes
Built in SpiFlash to run code
An SD host controller
Three 32-bit asynchronous frequency dividers
Timer
An IC controller
Four channel PWM output
Infrared remote control decoder
Monitor
Simulate peripheral devices
0.5 Watt-D level audio amplifier output
10 bit high-precision ADC
Low voltage protection
Reset power supply
Operating conditions
Working voltage
VBAT: 2.0v -5.5v
VDDIO: 2.0v -3.4v
The soft shutdown current is 2uA
The power outage current is 27uA
Working temperature: -40 ° C to+85 ° C
Packaging
Qfn20
3、 AD159A pin definition diagram
AD159A_QFN20 pin diagram