SC9S12XS256J1MAA FREESCALE [Freescale Semiconductor, Inc], SC9S12XS256J1MAA Datasheet - Page 271
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SC9S12XS256J1MAA
Manufacturer Part Number
SC9S12XS256J1MAA
Description
HCS12 Microcontrollers
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
1.SC9S12XS256J1MAA.pdf
(736 pages)
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10.2
This section lists all inputs to the ADC12B16C block.
10.2.1
10.2.1.1
This pin serves as the analog input Channel x. It can also be configured as digital port or external trigger
for the ATD conversion.
10.2.1.2
These inputs can be configured to serve as an external trigger for the ATD conversion.
Refer to device specification for availability and connection of these inputs!
10.2.1.3
V
10.2.1.4
These pins are the power supplies for the analog circuitry of the ADC12B16C block.
10.3
This section provides a detailed description of all registers accessible in the ADC12B16C.
10.3.1
Figure 10-2
Freescale Semiconductor
Address
0x0000
0x0001
0x0002
RH
is the high reference voltage, V
Signal Description
Memory Map and Register Definition
ATDCTL0
ATDCTL1
ATDCTL2
Detailed Signal Descriptions
Module Memory Map
Name
gives an overview on all ADC12B16C registers.
ANx (x = 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0)
ETRIG3, ETRIG2, ETRIG1, ETRIG0
V
V
Register Address = Base Address + Address Offset, where the Base Address
is defined at the MCU level and the Address Offset is defined at the module
level.
RH
DDA
, V
, V
W
W
W
RL
R
R
R
SSA
Figure 10-2. ADC12B16C Register Summary (Sheet 1 of 3)
ETRIGSEL
Reserved
Bit 7
0
S12XS Family Reference Manual, Rev. 1.09
= Unimplemented or Reserved
SRES1
RL
AFFC
6
0
is the low reference voltage for ATD conversion.
ICLKSTP ETRIGLE
SRES0
5
0
NOTE
SMP_DIS ETRIGCH3 ETRIGCH2 ETRIGCH1 ETRIGCH0
4
0
ETRIGP
WRAP3
3
Analog-to-Digital Converter (ADC12B16CV1)
ETRIGE
WRAP2
2
WRAP1
ASCIE
1
ACMPIE
WRAP0
Bit 0
271
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