TC72 Ver la hoja de datos (PDF) - Microchip Technology
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TC72 Datasheet PDF : 24 Pages
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TC72
Single Byte Write Operation
(CP=0, data shifted on rising edge of SCK, data clocked on falling edge of SCK, A7=1)
CE
SCK
SDI
SDO
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
A7=1
AAA AAAAADDDDDDDD
7654321076543210
MSb
LSb
High Z
Single Byte Read Operation
(CP=0, data shifted on rising edge of SCK, data clocked on falling edge of SCK, A7=0)
CE
SCK
SDI
123456789
A7=0
AAAAAAAA
76543210
10 11 12 13 14 15 16
SDO
High Z
D
7
MSb
D High Z
0
LSb
SPI Multiple Byte Transfer
CE
SCK
Write Operation
(CP=0, data shifted on rising edge of SCK, data clocked on falling edge of SCK, A7=1)
SDI
Address Byte = 80hex Control Byte
A7
A0
D7
D0
SDO
High Z
Read Operation
(CP=0, data shifted on rising edge of SCK, data clocked on falling edge of SCK, A7=0)
SDI Address Byte = 02hex
A7
A0
SDO High Z
MSB Temp. Byte
D7
D0
LSB Temp. Byte
D7
D0
Control Byte
D7
FIGURE 3-3:
Serial Interface Timing Diagrams (CP=0).
High Z
D0
2002 Microchip Technology Inc.
DS21743A-page 11
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