Table 2. Programmer’s Guide for 16-Bit Transfers:
Input Code
Table 3. Programmer’s Guide for 16-Bit Transfers:
Output Code
Input
Address
in Hex
Conversion
Result Without
Offset Removed
Conversion
Result With
Offset Removed
Channel to be
Converted Next
Comment
Value
$0XXX
$1XXX
$2XXX
$3XXX
$4XXX
$5XXX
$6XXX
$7XXX
$8XXX
$9XXX
$AXXX
$BXXX
$CXXX
$DXXX
$EXXX
$FXXX
AN0
AN1
AN2
AN3
AN4
None
None
None
None
None
None
AN5
Pin 2
Pin 3
Pin 4
Pin 5
Pin 6
Not Allowed
Not Allowed
Not Allowed
Not Allowed
Not Allowed
Not Allowed
Half Scale Test: Output = $8000
Zero Test: Output = $0000
Full Scale Test: Output = $FFC0
Not Allowed
$0000
$0040
$0080
$00C0
$0100
$0140
$0180
$01C0
$0200
$0240
$0280
$02C0
$0000
$0001
$0002
$0003
$0004
$0005
$0006
$0007
$0008
$0009
$000A
$000B
Zero
Zero + 1 LSB
Zero + 2 LSBs
Zero + 3 LSBs
Zero + 4 LSBs
Zero + 5 LSBs
Zero + 6 LSBs
Zero + 7 LSBs
Zero + 8 LSBs
Zero + 9 LSBs
Zero + 10 LSBs
Zero + 11 LSBs
AN6
AN7
None
None
$FF40
$FF80
$FFC0
$03FD
$03FE
$03FF
Full Scale – 2 LSBs
Full Scale – 1 LSB
Full Scale
Not Allowed
+ 5 V
0.1 µF
V
V
DD
ref
0.22 µF
CS
µ
P
D
in
SCLK
AN0
AN1
SPI PORT
ANALOG
SENSORS,
ETC.
MC145053
ADC
D
out
AN2
AN3
EOC
5 VOLT
REFERENCE
CIRCUIT
AN4
V
V
SS
AG
Figure 15. Example Application
MC145053
12
MOTOROLA WIRELESS SEMICONDUCTOR
SOLUTIONS DEVICE DATA
MOTOROLA [ MOTOROLA ]
