Texas Instruments TRF7970A Instruction Manual page 73

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6.14.3.5 FIFO Control Registers
6.14.3.5.1 FIFO Status Register (0x1C)
Function: Number of bytes available to be read from FIFO (= N number of bytes, in hexadecimal)
Bit Name
B7 Foverflow FIFO overflow error
B6 Fb6 FIFO bytes fb[6]
B5 Fb5 FIFO bytes fb[5]
B4 Fb4 FIFO bytes fb[4]
B3 Fb3 FIFO bytes fb[3]
B2 Fb2 FIFO bytes fb[2]
B1 Fb1 FIFO bytes fb[1]
B0 Fb0 FIFO bytes fb[0]
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Table 6-56. FIFO Status Register (0x1C)
Function
Bit is set when FIFO has more than 127 bytes presented to it
Bits B0:B6 indicate how many bytes that are in the FIFO to be read out (= N
number of bytes, in hex)
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SLOS743K – AUGUST 2011 – REVISED APRIL 2014
Description
TRF7970A
TRF7970A
Detailed Description 73