ATR2406_06 Datasheet, PDF (2/25 Pages) ATMEL Corporation – Low-IF 2.4-GHz ISM Transceiver

Figure 1-1. Block Diagram
REG_DEC VREG REG_CTRL VS_REG IREF
VREG_VCO
RX_IN
VCO
REG
LNA
AUX
REG
IR-Mixer
AUX
REG
BP
LIMITER
RSSI
DEMOD
PA
TX_OUT
Divider
by 2
VCO
BUS
RAMP_OUT
RAMP
GEN
GAUSSIAN
PLL
FILTER
CTRL
LOGIC
2. Pin Configuration
Figure 2-1. Pinning QFN32 - 5 × 5
CP REF_CLK TX_DATA VTUNE
VS_SYN
VS_IFD
VS_IFA
VS_RX/TX
RX_DATA
RSSI
CLOCK
DATA
ENABLE
TEST1
TEST2
PU_REG
PU_TRX
RX_ON
TX_ON
nOLE
PU_REG
REF_CLK
RSSI
VS_IFD
VS_IFA
RX-CLOCK
IC
IREF
32 31 30 29 28 27 26 25
1
24
2
23
3
22
4 _ATR2406 21
5
20
6
19
7
18
8
17
9 10 11 12 13 14 15 16
RX_ON
IC
IC
RAMP_OUT
TX_OUT
RX_IN1
RX_IN2
VS_TRX
2 ATR2406
4779L–ISM–09/06