PXR40RM Datasheet, PDF (1089/1434 Pages) Freescale Semiconductor, Inc – PXR40 Microcontroller

Enhanced Queued Analog-to-Digital Converter (EQADC)
Table 27-42. Multiplexed and non-multiplexed channel assignments (continued)
CHANNEL_NUMBER
(b)
(d)
ADCs (BN) ADCx_CR[EMUX]
Analog input signal
Conversion
type
1000_0010 to 130 to 143
1000_1111
1001_0000
144
0
1001_0000
144
1
1001_0001 to 145 to 161
1010_0001
1010_0010
162
X
1010_0011
163
X
1010_0100
164
X
1010_0101
165
X
1010_0110
166
X
1010_0111
167
X
1010_1000 to 168 to 193
1100_0001
1100_0010
194
X
1100_0011
195
X
1100_0100
196
X
1100_0101
197
X
1100_0110
198
X
1100_0111
199
X
1100_1000 to 200 to 223
1101_1111
1110_0xxx
224 to 231
0, 1
1110_1xxx
232 to 239
0, 1
1111_0xxx
240 to 247
0, 1
1111_1xxx
248 to 255
0, 1
(Reserved)
X
INA_ADC0_9 (see Table 27-4)
X
INA_ADC1_9 (see Table 27-4)
(Reserved)
Single-ended
Single-ended
0
INA_ADC0_3 (see Table 27-4)
0
INA_ADC0_4 (see Table 27-4)
0
INA_ADC0_5 (see Table 27-4)
0
INA_ADC0_6 (see Table 27-4)
0
INA_ADC0_7 (see Table 27-4)
0
INA_ADC0_8 (see Table 27-4)
(Reserved)
Single-ended
Single-ended
Single-ended
Single-ended
Single-ended
Single-ended
0
INA_ADC1_3 (see Table 27-4)
0
INA_ADC1_4 (see Table 27-4)
0
INA_ADC1_5 (see Table 27-4)
0
INA_ADC1_6 (see Table 27-4)
0
INA_ADC1_7 (see Table 27-4)
0
INA_ADC1_8 (see Table 27-4)
(Reserved)
Single-ended
Single-ended
Single-ended
Single-ended
Single-ended
Single-ended
1
ANR (the MA2–MA0 pins act as the selector Single-ended
inputs for an external 8-to-1 mux; see also
AN16)
1
ANS (the MA2–MA0 pins act as the selector Single-ended
inputs for an external 8-to-1 mux; see also
AN17)
1
ANT (the MA2–MA0 pins act as the selector Single-ended
inputs for an external 8-to-1 mux; see also
AN18)
1
ANU (the MA2–MA0 pins act as the selector Single-ended
inputs for an external 8-to-1 mux; see also
AN19)
27.7.7.2 External Multiplexing
The EQADC can use from one to eight external multiplexer chips to expand the number of analog signals
that may be converted. Up to 64 analog channels can be converted through external multiplexer selection.
Freescale Semiconductor
PXR40 Microcontroller Reference Manual, Rev. 1
27-107