mrf89xa Microchip Technology Inc., mrf89xa Datasheet - Page 27

• Manufacturer Part Number: mrf89xa
• Description: Ultra-low Power, Integrated Ism Band Sub-ghz Transceiver
• Manufacturer: Microchip Technology Inc.

Read Byte (after/during RX) - To read bytes from the
FIFO, the timing diagram illustrated in Figure 2-15
should be followed by the
FIGURE 2-15:
© 2010 Microchip Technology Inc.
CSDAT
SCK (In)
SDI (In)
SDO (Out)
Note:
HZ
(input)
(In)
It is recommended to toggle CSDAT back
high between each byte read.
D1(7)
1
x
D1(6) D1(5) D1(4) D1(3) D1(2) D1(1)
READ BYTES SEQUENCE (EXAMPLE DIAGRAM FOR 2 BYTES)
x
2
host microcontroller
x
3
First byte read
4
x
5
x
6
x
.
7
x
Preliminary
D1(0)
8
x
x
HZ
(input)
D2(7)
1
x
D2(6) D2(5) D2(4) D2(3) D2(2) D2(1) D2(0)
2
x
3
x
Second byte read
4
x
5
x
MRF89XA
6
x
7
x
DS70622B-page 27
8
x
HZ
(input)