sc9s12hy64j0vllr Freescale Semiconductor, Inc, sc9s12hy64j0vllr Datasheet - Page 301

• Manufacturer Part Number: sc9s12hy64j0vllr
• Description: S12 Microcontrollers Mcu 16-bit Hcs12 Cisc 32kb Flash 5v Tray
• Manufacturer: Freescale Semiconductor, Inc

8.3.2.12
The A/D conversion results are stored in 8 result registers. Results are always in unsigned data
representation. Left and right justification is selected using the DJM control bit in ATDCTL3.
If automatic compare of conversions results is enabled (CMPE[n]=1 in ATDCMPE), these registers must
be written with the compare values in left or right justified format depending on the actual value of the
DJM bit. In this case, as the ATDDRn register is used to hold the compare value, the result will not be
stored there at the end of the conversion but is lost.
Attention, n is the conversion number, NOT the channel number!
Read: Anytime
Write: Anytime
8.3.2.12.1
8.3.2.12.2
Freescale Semiconductor
Module Base +
0x0010 = ATDDR0, 0x0012 = ATDDR1, 0x0014 = ATDDR2, 0x0016 = ATDDR3
0x0018 = ATDDR4, 0x001A = ATDDR5, 0x001C = ATDDR6, 0x001E = ATDDR7
0x0020 = ATDDR8, 0x0022 = ATDDR9
Module Base +
0x0010 = ATDDR0, 0x0012 = ATDDR1, 0x0014 = ATDDR2, 0x0016 = ATDDR3
0x0018 = ATDDR4, 0x001A = ATDDR5, 0x001C = ATDDR6, 0x001E = ATDDR7
0x0020 = ATDDR8, 0x0022 = ATDDR9
Reset
Reset
W
W
R
R
Bit 11 Bit 10 Bit 9
15
15
0
0
0
ATD Conversion Result Registers (ATDDRn)
= Unimplemented or Reserved
= Unimplemented or Reserved
For conversions not using automatic compare, results are stored in the result
registers after each conversion. In this case avoid writing to ATDDRn except
for initial values, because an A/D result might be overwritten.
Left Justified Result Data (DJM=0)
Right Justified Result Data (DJM=1)
14
14
0
0
0
Figure 8-15. Right justified ATD conversion result register (ATDDRn)
Figure 8-14. Left justified ATD conversion result register (ATDDRn)
13
13
0
0
0
Bit 8
12
12
0
0
0
MC9S12HY/HA-Family Reference Manual, Rev. 1.04
Bit 11 Bit 10 Bit 9
Bit 7
11
11
0
0
Bit 6
10
10
0
0
Bit 5
0
0
9
9
NOTE
Bit 4
Bit 8
0
0
8
8
Analog-to-Digital Converter (ADC12B8CV1) Block Description
Bit 3
Bit 7
0
0
7
7
Bit 2
Bit 6
0
0
6
6
Bit 1
Bit 5
0
0
5
5
Bit 0
Bit 4
4
0
4
0
Bit 3
0
0
0
3
3
Bit 2
0
0
0
2
2
Bi1 1
0
0
0
1
1
Bit 0
0
0
0
0
0
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