MCP413X/415X/423X/425X
(1)
VIHH
VIL
VIH
CS
SCK
Write to
SSPBUF
CMDERR bit
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
SDO
SDI
bit9
bit8 bit7 bit6 bit5
bit4 bit3 bit2 bit1
bit0
AD3 AD2 AD1 AD0
bit15 bit14 bit13 bit12
C1
1
C0
1
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
Input
Sample
Note 1: The SDI pin will read the state of the SDI pin which will be the SDO signal, unless overdriven.
2: VIHH is supported for compability with the MCP414X/6X and MCP424X/6X devices high voltage
operation.
FIGURE 6-5:
16-Bit Read Command for Devices with SDI/SDO multiplexed -
SPI Waveform (Mode 1,1).
(1)
VIHH
VIL
VIH
CS
SCK
Write to
SSPBUF
CMDERR bit
D8
D7
D6
D5
D4
D3
D2
D1
D0
X
SDO
SDI
bit9
bit8 bit7 bit6 bit5
bit4 bit3 bit2 bit1
bit0
AD3 AD2 AD1 AD0
bit15 bit14 bit13 bit12
C1
1
C0
1
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
Input
Sample
Note 1: The SDI pin will read the state of the SDI pin which will be the SDO signal, unless overdriven.
2: VIHH is supported for compability with the MCP414X/6X and MCP424X/6X devices high voltage
operation.
FIGURE 6-6:
16-Bit Read Command for Devices with SDI/SDO multiplexed -
SPI Waveform (Mode 0,0).
© 2008 Microchip Technology Inc.
DS22060B-page 45
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