mcf5282 Freescale Semiconductor, Inc, mcf5282 Datasheet - Page 603

• Manufacturer Part Number: mcf5282
• Manufacturer: Freescale Semiconductor, Inc

Freescale Semiconductor
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Analog Signal Source
R Source
R Source
R Source
R Source
R Source
R Source
R Source2
R Source
R Source
C Source
C Source
C Source
C Source
C Source
C Source
C Source
C Source
C Source
Figure 28-52. External Multiplexing of Analog Signal Sources
2
2
2
2
2
2
2
2
MCF5282 and MCF5216 ColdFire Microcontroller User’s Manual, Rev. 3
0.01 μF
Filtering and
Interconnect
0.01 μF
0.01 μF
R Filter
0.01 μF
R Filter
0.01 μF
R Filter
R Filter
R Filter
R Filter
R Filter
0.01 μF
R Filter
0.01 μF
R Filter
0.01μF
0.01 μF
2
2
2
2
2
2
2
2
2
C Filter
C Filter
C Filter
C Filter
1
C Filter
C Filter
C Filter
C Filter
C Filter
1
1
1
1
1
1
1
1
Notes:
C MUXIN
C MUXIN
C MUXIN
C MUXIN
C MUXIN
C MUXIN
C MUXIN
C MUXIN
(MC54HC4051, MC74HC4051,
1. Typical Value
2. R
MC54HC4052, MC74HC4052,
Filter
MC54HC4053, etc.)
Typical MUX Chip
, Typically 10 kΩ–20 kΩ
R MUXOUT
C MUXOUT
Queued Analog-to-Digital Converter (QADC)
Interconnect
C PCB
C PCB
C
C P
C P
In
= C
QADC
P
+ C
C SAMP
C SAMP
SAMP
28-65