XE8807AMI026TLF Semtech, XE8807AMI026TLF Datasheet - Page 107
XE8807AMI026TLF
Manufacturer Part Number
XE8807AMI026TLF
Description
IC MCU LOW PWR MTP FLASH 32-TQFP
Manufacturer
Semtech
Datasheet
1.XE8807AMI026TLF.pdf
(143 pages)
Specifications of XE8807AMI026TLF
Applications
Sensing Machine
Core Processor
RISC
Program Memory Type
FLASH (11 kB)
Controller Series
XE8000
Ram Size
512 x 8
Interface
UART, USRT
Number Of I /o
24
Voltage - Supply
2.4 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
32-TQFP, 32-VQFP
For Use With
XE8000MP - PROG BOARD AND PROSTART2 CARD
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
XE8807AMI026TR
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
XE8807AMI026TLF
Manufacturer:
IDT
Quantity:
62
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14.12.2.6.3
To handle the transmission data by interrupt, enable the RF interface transmission interrupt in the interrupt handler
of the circuit.
We need to send the start sequence first. The start sequence is defined as a protocol violation. To send a protocol
violation, the encoder has to be disabled by clearing RfifEnCod = 0. We then can write for instance “00000000” to
RfifTx.
At occurrence of the interrupt, the start sequence was transferred to the shift register and the FIFO is empty. The
encoder is to be enabled by setting RfifEnCod = 1. We do not need to wait until the start sequence transmission is
completed, since the modification of the bit RfifEnCod is taken into account only at the transfer of the next byte
from the FIFO to the transmission shift register. The first 4 bytes of the message can then be written to RfifTx.
At each occurrence of the interrupt, 4 bytes of the message can be written to the FIFO until the end of the message
is reached. The whole operation starts over again for the next message.
© Semtech 2006
Data transmission
RegRfifCmd1
RegRfifCmd2
RegRfifCmd3
Register
Table 14-34. RF interface set-up
14-27
00000001
00100010
00000001
contents
XE8806A/XE8807A
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