MC33596FCER2 Freescale Semiconductor, MC33596FCER2 Datasheet - Page 38

• Manufacturer Part Number: MC33596FCER2
• Description: IC RX UHF PLL TUNED 32-QFN
• Manufacturer: Freescale Semiconductor

Specifications of MC33596FCER2

• Frequency: 304, 315, 426, 434, 868 & 915MHz
• Sensitivity: -104dBm
• Data Rate - Maximum: 22.4 kBaud
• Modulation Or Protocol: FSK, OOK
• Applications: General Data Transfer
• Current - Receiving: 10.3mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Voltage - Supply: 2.7 V ~ 3.6 V, 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Memory Size: -

Register Description
AFFC (Average Filter Frequency Control) enables direct control of the average filter cut-off frequency.
IFLA (IF Level Attenuation) controls the maximum gain of the IF amplifier in OOK modulation.
The reduction in gain can be observed if the IF amplifier AGC system is disabled (by setting RAGC = 1).
RSSIE (RSSI Enable) enables the RSSI function.
EDD (Envelop Detector Decay) controls the envelop detector decay.
RAGC (Reset Automatic Gain Control) resets both receiver internal AGCs.
A first SPI access allows RAGC to be set; a second SPI access is required to reset it.
FAGC (Freeze Automatic Gain Control) freezes both receiver AGC levels.
BANKS indicates which register bank is active. This bit, available in Bank A and Bank B, returns the same
value.
16.3 Frequency Register
Figure 28
38
Reset Value
Bit Name
Access
0 = Average filter cut-off frequency is defined by DR[1:0]
1 = Average filter cut-off frequency is defined by AFF[1:0]
0 = No effect
1 = Decreases by 20 dB (typical) the maximum gain of the IF amplifier, in OOK modulation only
0 = Disabled
1 = Enabled
0 = Slow decay for minimum ripple
1 = Fast decay
0 = No action
1 = Sets the gain to its maximum value
0 = No action
1= Holds the gain at its current value
0 = Bank B
1 = Bank A
defines the Frequency register, F.
AFFC
Bit 7
R/W
0
IFLA
Bit 6
R/W
0
Figure 27. COMMAND Register
Bit 5
—
—
0
MC33596 Data Sheet, Rev. 4
RSSIE
Bit 4
R/W
0
Bit 3
EDD
R/W
1
RAGC
Bit 2
R/W
0
FAGC
Bit 1
R/W
0
Freescale Semiconductor
BANKS
Bit 0
R
1
Addr
$03