Ultra-low power high-performance 2.4GHz GFSK wireless transceiver
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Si24R2E
2.4GHz RFID SoC
2.4GHz ISM 128 NVM 3KHz RCOSC Watchdog 3.3V :GFSK :2Mbps/1Mbps/250Kbps :700nA :15uA : ≤ 130uS :1.9-3.6V I/O :1.9-5.25V :16MHz±60ppm :7dBm (2Mbps): 13.5mA(0dBm) 10MHz SPI QFN20
CE CSN SCK MOSI MISO
Si24R1 Si24R2
RFID
VCC VSS RFN RFP VDD_PA
15
14
13
12
11
IREF 16
10 XI
VSS 17 VCC 18 VDD_D 19
S i24R 2E
Q F N 20 4×4
9 XO 8 VSS 7 VCC
VSS 20
6 IRQ
1
2
3
4
5
Rev1.1 2022/10/24
1
Si24R2E
RFP RFN
PA
Power Management
Transmitter
GFSK/FSK Modulator
Transmitter Baseband
RF PLL
Auto-Transmission Controller and Watchdog
TX FIFOs
SPI
Regs Map
128 Times NVM
Memory
CSN
SCK MOSI MISO
IRQ CE
Rev1.