MC9S12E64CFUE Datasheet, PDF (226/606 Pages) Freescale Semiconductor, Inc – Microcontrollers

Chapter 6 Analog-to-Digital Converter (ATD10B16CV2)
6.3.2.12 ATD Input Enable Register 0 (ATDDIEN0)
R
W
Reset
7
IEN15
0
6
IEN14
5
IEN13
4
IEN12
3
IEN11
2
IEN10
0
0
0
0
0
Figure 6-14. ATD Input Enable Register 0 (ATDDIEN0)
1
IEN9
0
0
IEN8
0
Read: Anytime
Write: anytime
Table 6-19. ATDDIEN0 Field Descriptions
Field
7:0
IEN[15:8]
Description
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.
6.3.2.13 ATD Input Enable Register 1 (ATDDIEN1)
R
W
Reset
7
IEN7
0
Read: Anytime
Write: Anytime
6
IEN6
5
IEN5
4
IEN4
3
IEN3
2
IEN2
0
0
0
0
0
Figure 6-15. ATD Input Enable Register 1 (ATDDIEN1)
1
IEN1
0
0
IEN0
0
Field
7:0
IEN[7:0]
Table 6-20. ATDDIEN1 Field Descriptions
Description
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.
MC9S12E128 Data Sheet, Rev. 1.07
226
Freescale Semiconductor