MC9S12E128CPV Freescale Semiconductor, MC9S12E128CPV Datasheet - Page 211
MC9S12E128CPV
Manufacturer Part Number
MC9S12E128CPV
Description
Microcontrollers (MCU) 16 Bit 16MHz
Manufacturer
Freescale Semiconductor
Datasheet
1.MC9S12E128CPV.pdf
(606 pages)
Specifications of MC9S12E128CPV
Data Bus Width
16 bit
Program Memory Type
Flash
Program Memory Size
128 KB
Data Ram Size
8 KB
Interface Type
SCI, SPI
Maximum Clock Frequency
25 MHz
Number Of Programmable I/os
92
Number Of Timers
16 bit
Operating Supply Voltage
3.135 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
LQFP-112
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit
On-chip Dac
8 bit, 2 Channel
Lead Free Status / Rohs Status
No RoHS Version Available
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Read: always read $00 in normal modes
Write: unimplemented in normal modes
6.3.2.3
This register controls power down, interrupt and external trigger. Writes to this register will abort current
conversion sequence but will not start a new sequence.
Read: Anytime
Write: Anytime
Freescale Semiconductor
ETRIGLE
Reset
ETRIGP
ETRIGE
ADPU
AFFC
AWAI
Field
W
7
6
5
4
3
2
R
ADPU
ATD Control Register 2 (ATDCTL2)
0
7
ATD Power Down — This bit provides on/off control over the ATD10B16C block allowing reduced MCU power
consumption. Because analog electronic is turned off when powered down, the ATD requires a recovery time
period after ADPU bit is enabled.
0 Power down ATD
1 Normal ATD functionality
ATD Fast Flag Clear All
0 ATD flag clearing operates normally (read the status register ATDSTAT1 before reading the result register
1 Changes all ATD conversion complete flags to a fast clear sequence. Any access to a result register will
ATD Power Down in Wait Mode — When entering Wait Mode this bit provides on/off control over the
ATD10B16C block allowing reduced MCU power. Because analog electronic is turned off when powered down,
the ATD requires a recovery time period after exit from Wait mode.
0 ATD continues to run in Wait mode
1 Halt conversion and power down ATD during Wait mode
External Trigger Level/Edge Control — This bit controls the sensitivity of the external trigger signal. See
Table 6-3
External Trigger Polarity — This bit controls the polarity of the external trigger signal. See
details.
External Trigger Mode Enable — This bit enables the external trigger on ATD channel 15. The external trigger
allows to synchronize the start of conversion with external events.
0 Disable external trigger
1 Enable external trigger
to clear the associate CCF flag).
cause the associate CCF flag to clear automatically.
After exiting Wait mode with an interrupt conversion will resume. But due to the recovery time the result of
this conversion should be ignored.
= Unimplemented or Reserved
for details.
AFFC
0
6
Figure 6-5. ATD Control Register 2 (ATDCTL2)
Table 6-2. ATDCTL2 Field Descriptions
AWAI
MC9S12E128 Data Sheet, Rev. 1.07
0
5
ETRIGLE
0
4
Description
ETRIGP
Chapter 6 Analog-to-Digital Converter (ATD10B16CV2)
0
3
ETRIGE
0
2
ASCIE
0
1
Table 6-3
ASCIF
for
0
0
211
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