Texas Instruments CC2500 User Manual

CC2500
S
WRS040
C
Page
83
of
89
0x36 (0xF6): WORTIME1
–
High Byte of WOR T
ime
Bit
Field Name
Reset
R/W
Description
7:0
TIME[15:8]
R
High byte of timer value in WOR module
0x37 (0xF7): WORTIME0
–
Low
Byte of WOR Time
Bit
Field Name
Reset
R/W
Description
7:0
TIME[7:0]
R
Low byte of timer value in WOR module
0x38 (0xF8): PKTSTATUS
–
Current
GDOx
S
tatus and
P
acket
S
tatus
Bit
Field Name
Reset
R/W
Description
7
CRC_OK
R
The last CRC comparison matched. Cleared when
entering/restarting RX mode. Only
valid
if
PKTCTRL0.CC2400_EN
=
1.
6
CS
R
Carrier sense
5
PQT_REACHED
R
Preamble Quality reached
4
CCA
R
Channel
is clear
3
SFD
R
Sync word found
2
GDO2
R
Current
GDO2
value. Note: the reading gives the non
-
inverted
value irrespective what
IOCFG2.GDO2_INV
is programmed to.
It is not recommended to check for PLL lock by reading
PKTSTATUS[2]
with
GDO2_CFG
=
0x0A
.
1
Reserved
R0
0
GDO0
R
Current
GDO0
value. Note: the reading gives the non
-
inverted
value irrespective what
IOCFG0.GDO0_INV
is programmed to.
It is not recommended to check for PLL lock by reading
PKTSTATUS[0]
with
GDO0_CFG
=
0x0A
.
0x39 (0xF9): VCO_VC_DAC
–
Current Setting from PLL Calibration Module
Bit
Field Name
Reset
R/W
Description
7:0
VCO_VC_DAC[7:0]
R
Status register for test only
0x
3A (0xFA): TXBYTES
–
Underflow and Number of Bytes
Bit
Field Name
Reset
R/W
Description
7
TXFIFO_UNDERFLOW
R
6:0
NUM_TXBYTES
R
Number of bytes in TX FIFO

Texas Instruments CC2500 Specifications

General

Brand	Texas Instruments
Model	CC2500
Category	Transceiver
Language	English