Preliminary Product Brief
Single-Chip Wireless MCU
for Internet of Things Applications
WLAN subsystem, and a Power Management Unit (PMU). It is designed for abundant of smart devices in product
categories such as Internet of Things (IoT), Machine-to-Machine(M2M), Smart Home, Cloud Connectivity applications.
FLASHC
SPI x 1
UART x 3
I2C x 2
M U X
PWM x 8
B U S M a t r ix
ADC x 6
IrDA TX/RX
GPIO
Wakeup IO x 5
DMA 8ch
256KB SRAM
I Cache
Cortex-M4F 160MHz
SWJDP
MPU
NVIC
SYSTICK
Memory
160KB ROM
The XR8 0 8 is a highly integrated single processor which features an ARM Cortex-M4F MCU, a low power 802.11b/g/n
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High performance and highly integrated MCU, which
enables software to perform more complex tasks.
Hardware Crypto Engine
AES/DES/MD5/SHA/CRC/TRNG
WLAN System
TCP/IP
Supplicant
WiFi Protocol
MAC
Baseband
Radio
Always On
P IN
Various peripherals support allows customers to
develop a wide variety of different products.
A high level of integration effectively reduces the BOM
cost and provides a faster time-to-market for new
products.
Industry leading power consumption and effective
power management ensure excellent battery life.
XR808
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Platform
GP Timer x 3
PMU
1.62-5.5
PLL
RTC
DCXO
RCOSC
Hardware crypto engine makes data transmission
more secure and faster.
ARM Cortex M4F, up to 160MHz
256KB SRAM and 160KB Code ROM
and eXecute In Place(XIP) mode
1024 bits eFuse
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WLAN System
standard
Compatible with 802.11b/g/n
Single-band 2.4G 1T1R WLAN
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Power Management
supply
1.62V ~ 5.5V single input power
Shutdown: 0.5uA
Standby:
31mA
Supports external Flash with QPI
8 shared universal DMA channels
WPA/WPA2 personal, WPS2.0
STA, AP and STA/AP
Integrated LNA, PA and T/R switch
Hibernation: 4uA RTC only
retention)
26.5uA
(32KB
SRAM
Crypto Engine
key
AES ECB/CBC/CTR, 128/192/256-bit
DES/3DES
Software
RX Active(MCU active, DC-DC mode):
TX Active(MCU active, DC-DC mode):
164mA@11n MCS7 14dBm
192mA@11b CCK 19dBm
DTIM interval with stable 32KHz
DTIM3: 298uA
DTIM10: 108uA
Supports Secure Boot
Smart-Config technology for
Autonomous and Fast WiFi
connections
Industry-Standard BSD socket
MD5/SHA/SHA256, CRC16/32, TRNG
XR808ST/XR808CT: 4mm x 4mm 40-
pin QFN
Package
application programming interfaces
Comprehensive AT command set
RCOSC and 32KB SRAM retention
DTIM1: 840uA
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