Rainbow-electronics ATmega128RFA1 Manuel d'utilisateur Page 131

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131
8266A-MCU Wireless-12/09
ATmega128RFA1
Table 9-71 MIN_BE Register Bits
Register Bits Value Description
0 Minimum value of minimum back-off
exponent.
1 ...
MIN_BE3:0
8 Maximum value of minimum back-off
exponent. MIN_BE must be smaller or equal
to MAX_BE.
9.12.48 TST_CTRL_DIGI – Transceiver Digital Test Control Register
Bit 7 6
NA ($176) Resx7 Resx6 TST_CTRL_DIGI
Read/Write RW RW
Initial Value 0 0
Bit 5 4
NA ($176) Resx5 Resx4 TST_CTRL_DIGI
Read/Write RW RW
Initial Value 0 0
Bit 3 2
NA ($176) TST_CTRL_DIG3 TST_CTRL_DIG2 TST_CTRL_DIGI
Read/Write RW RW
Initial Value 0 0
Bit 1 0
NA ($176) TST_CTRL_DIG1 TST_CTRL_DIG0 TST_CTRL_DIGI
Read/Write RW RW
Initial Value 0 0
This register takes part in the activation sequence of the continuous transmission test
mode. Other functionality of this register is reserved for internal use.
Bit 7:4 – Resx7:4 - Reserved
Bit 3:0 – TST_CTRL_DIG3:0 - Digital Test Controller Register
This sub-register selects a test controller function. All values not listed int the following
table are reserved for internal use.
Table 9-72 TST_CTRL_DIG Register Bits
Register Bits Value Description
0 NORMAL (no test is active) TST_CTRL_DIG3:0
15 TST_CONT_TX (continuous transmit)
9.12.49 TST_RX_LENGTH – Transceiver Received Frame Length Register
Bit 7 6 5 4
NA ($17B) RX_LENGTH7 RX_LENGTH6 RX_LENGTH5 RX_LENGTH4 TST_RX_LENGTH
Read/Write RW RW RW RW
Initial Value 0 0 0 0
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