AN10E40 Data Manual
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37
38
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41
IOLAY
IOLAX
VREFOUT
BVDD
BVSS
Analog Input
Analog Input
Analog Output
Power Supply
Power Supply
Analog Output
Buffered Analog input
Unbuffered Analog input
Reference voltage
Bandgap VDD, 5 Volts
Bandgap VSS, 0 Volts
VMR
Signal ground, 2.5 Volts
Normally left floating. Can be driven by off chip
generator if the on chip VMR generator is
disabled.
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43
OPAMP_VMR
CEXT
Signal ground, 2.5 Volts
(usually loaded with 100nF to AVSS)
External Reference Generator Capacitor
(usually loaded with 10nF to AVSS)
Buffered op-amp output
Buffered Analog input
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45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
IOD5Z
IOD5Y
IOD5X
IOD4Z
IOD4Y
IOD4X
ESD_VDD
ESD_VSS
IOD3Z
IOD3Y
IOD3X
IOD2Z
IOD2Y
IOD2X
IOD1Z
IOD1Y
IOD1X
IORAX
IORAY
IORAZ
IORBZ
IORBY
IORBX
CFG_VDD
SVSS
Analog Output
Analog Input
Analog Input
Analog Output
Analog Input
Analog Input
Power Supply
Power Supply
Analog Output
Analog Input
Analog Input
Analog Output
Analog Input
Analog Input
Analog Output
Analog Input
Analog Input
Analog Input
Analog Input
Analog Output
Analog Output
Analog Input
Analog Input
Power Supply
Power Supply
Power Supply
Digital Input
Unbuffered Analog input
Buffered op-amp output
Buffered Analog input
Unbuffered Analog input
ESD Structures VDD, 5 Volts
ESD Structures VSS, 0 Volts
Buffered op-amp output
Buffered Analog input
Unbuffered Analog input
Buffered Analog output
Buffered Analog input
Unbuffered Analog input
Buffered Analog output
Buffered Analog input
Unbuffered Analog input
Unbuffered Analog input
Buffered Analog input
Buffered Analog output
Buffered Analog output
Buffered Analog input
Unbuffered Analog input
Configuration (Digital) VDD ,5 Volts
Substrate VSS, 0 Volts
SVDD
CLOCK
Substrate VDD, 5 Volts
System master clock
Used by clock generator which feeds all switch
capacitor analog circuitry.
Unbuffered Analog input
Buffered Analog Input
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76
77
78
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80
IORCX
IORCY
IORCZ
IORDY2
IORDZ2
CFG_VSS
IORDZ
IORDY
IORDX
POR
Analog Input
Analog Input
Analog Output
Analog Input
Analog Output
Power Supply
Analog Output
Analog Input
Analog Input
Digital Input
Buffered Analog output
Uncommitted op-amp input
Uncommitted op-amp output
Configuration (Digital) VSS, 0 Volts
Buffered Analog output
Buffered Analog input
Unbuffered Analog input
Power on Reset
Connection to VSS is typical. This input has an
active weak pull down device (capable of sinking 100
uA). If actively driving this pin, a pull up resistor may
be necessary to provide additional high state current.
LATTICE [ LATTICE SEMICONDUCTOR ]
