參數(shù)資料
型號(hào): EM2420TR
廠商: Electronic Theatre Controls, Inc.
英文描述: 2.4 GHz IEEE 802.15.4 / ZigBee RF Transceiver
中文描述: 2.4 GHz IEEE 802.15.4標(biāo)準(zhǔn)/ ZigBee的射頻收發(fā)器
文件頁(yè)數(shù): 73/89頁(yè)
文件大?。?/td> 1758K
代理商: EM2420TR
EM2420
Ember Part Number: 120-0049-000
C
EM2420 Datasheet
Page 73 of 89
SECCTRL1 (0x1A) - Security Control Register
Bit
Field Name
Reset
R/W
Description
15
-
0
W0
Reserved, write as 0
14:8
SEC_TXL
0
R/W
Multi-purpose length byte for TX in-line security operations:
CTR : Number of cleartext bytes between length byte and the
first byte to be encrypted
CBC/MAC : Number of cleartext bytes between length byte and
the first byte to be authenticated
CCM : l(a), defining the number of bytes to be authenticated but
not encrypted
Stand-alone : SEC_TXL has no effect
7
-
0
W0
Reserved, write as 0
6:0
SEC_RXL
0
R/W
Multi-purpose length byte for RX in-line security operations:
CTR : Number of cleartext bytes between length byte and the
first byte to be decrypted
CBC/MAC : Number of cleartext bytes between length byte and
the first byte to be authenticated
CCM : l(a), defining the number of bytes to be authenticated but
not decrypted
Stand-alone : SEC_RXL has no effect
BATTMON (0x1B) – Battery Monitor Control register
Bit
Field Name
Reset
R/W
Description
15:7
-
0
W0
Reserved, write as 0
6
BATT_OK
0
R
Battery monitor comparator output, read only. BATT_OK is valid
5 us after BATTMON_EN has been asserted and
BATTMON_VOLTAGE has been programmed.
0 : Power supply < Toggle Voltage
1 : Power supply > Toggle Voltage
5
BATTMON_EN
0
R/W
Battery monitor enable
0 : Battery monitor is disabled
1 : Battery monitor is enabled
4:0
BATTMON_VOLTAGE
[4:0]
0
R/W
Battery monitor toggle voltage. The toggle voltage is given by:
27
72
V
25
.
V
toggle
LTAGE
BATTMON_VO
=
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