mc9s12e256 Freescale Semiconductor, Inc, mc9s12e256 Datasheet - Page 227

• Manufacturer Part Number: mc9s12e256
• Description: Hcs12 Microcontrollers 16-bit Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

6.3.2.12
Read: Anytime
Write: anytime
6.3.2.13
Read: Anytime
Write: Anytime
Freescale Semiconductor
IEN[15:8]
Reset
Reset
IEN[7:0]
Field
Field
7:0
7:0
W
W
R
R
IEN15
IEN7
ATD Input Enable Register 0 (ATDDIEN0)
ATD Input Enable Register 1 (ATDDIEN1)
0
0
7
ATD Digital Input Enable on Channel Bits — This bit controls the digital input buffer from the analog input
pin (ANx) to PTADx data register.
0 Disable digital input buffer to PTADx
1 Enable digital input buffer to PTADx.
Note: Setting this bit will enable the corresponding digital input buffer continuously. If this bit is set while
7
ATD Digital Input Enable on Channel Bits — This bit controls the digital input buffer from the analog input
pin (ANx) to PTADx data register.
0 Disable digital input buffer to PTADx
1 Enable digital input buffer to PTADx.
Note: Setting this bit will enable the corresponding digital input buffer continuously. If this bit is set while
simultaneously using it as an analog port, there is potentially increased power consumption because the
digital input buffer maybe in the linear region.
simultaneously using it as an analog port, there is potentially increased power consumption because the
digital input buffer maybe in the linear region.
IEN14
IEN6
0
0
6
6
Figure 6-14. ATD Input Enable Register 0 (ATDDIEN0)
Figure 6-15. ATD Input Enable Register 1 (ATDDIEN1)
Table 6-23. ATDDIEN0 Field Descriptions
Table 6-24. ATDDIEN1 Field Descriptions
IEN13
IEN5
MC9S12E256 Data Sheet, Rev. 1.08
0
0
5
5
IEN12
IEN4
0
0
4
4
Description
Description
IEN11
IEN3
Chapter 6 Analog-to-Digital Converter (ATD10B16CV4)
3
0
3
0
IEN10
IEN2
0
0
2
2
IEN9
IEN1
0
0
1
1
IEN8
IEN0
0
0
0
0
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