Data Sheet

BlueNRG-M2SA
Rev 0.1 P a g e | 5 32
2 Block diagram
CERAMIC ANTENNA
Battery or External Supply
Host Controller
interface
Crystal
32 MHz
clock
RF
BALUN
+ Filter
INTERNAL 2.45 GHz Bluetooth
I/0
Signals
(Optionals)
BLUETOOTH
BLUENRG-2
32 MHz
internal
clock
32.768 kHz
internal
clock
I2CBUS LINE
I
SPI LINE
UART LINE
ADC (2 ch. max)
GPIO signals
RAM
MEMORY
(24 kB)
BLUENRG-M2SA
INTERNAL
regulator
FLASH
MEMORY
(256 kB)
SIMPLE SUPPLY FILTER
(Only Capacitors)
Crystal
32.768 kHz
clock
Figure 1: HW block diagram