MC9S12E256VPVE Freescale Semiconductor, MC9S12E256VPVE Datasheet - Page 224

• Manufacturer Part Number: MC9S12E256VPVE
• Description: IC MCU 256K FLASH 25MHZ 112-LQFP
• Manufacturer: Freescale Semiconductor
• Series: HCS12r

Specifications of MC9S12E256VPVE

• Core Processor: HCS12
• Core Size: 16-Bit
• Speed: 25MHz
• Connectivity: EBI/EMI, I²C, SCI, SPI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 91
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 2.35 V ~ 2.75 V
• Data Converters: A/D 16x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 105°C
• Package / Case: 112-LQFP
• Processor Series: S12E
• Core: HCS12
• Data Bus Width: 16 bit
• Data Ram Size: 16 KB
• Interface Type: I2C/SCI/SPI
• Maximum Clock Frequency: 50 MHz
• Number Of Programmable I/os: 92
• Number Of Timers: 12
• Maximum Operating Temperature: + 105 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWHCS12
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 16-ch x 10-bit
• On-chip Dac: 2-ch x 8-bit
• For Use With: M68EVB912E128 - BOARD EVAL FOR MC9S12E128/64
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Chapter 6 Analog-to-Digital Converter (ATD10B16CV4)
6.3.2.9
This register contains the SC bit used to enable special channel conversions.
Read: Anytime, returns unpredictable values for bit 7 and bit 6
Write: Anytime
224
Reset
Field
SC
W
0
R
SC
1
1
1
1
1
1
ATD Test Register 1 (ATDTEST1)
u
0
7
Special Channel Conversion Bit — If this bit is set, then special channel conversion can be selected using
CC, CB, and CA of ATDCTL5.
0 Special channel conversions disabled
1 Special channel conversions enabled
Writing to this register when in special modes can alter functionality.
= Unimplemented or Reserved
CD
0
0
0
0
0
1
u
0
6
Figure 6-11. Reserved Register 1 (ATDTEST1)
Table 6-20. Special Channel Select Coding
Table 6-19. ATDTEST1 Field Descriptions
CC
MC9S12E256 Data Sheet, Rev. 1.08
X
0
1
1
1
1
u
0
5
Table 6-20
lists the coding.
NOTE
CB
u
0
4
X
X
0
0
1
1
Description
3
u
0
CA
X
X
0
1
0
1
u
0
2
u = Unaffected
Analog Input Channel
(V
Reserved
Reserved
Reserved
RH
Freescale Semiconductor
V
+V
V
RH
RL
u
0
1
RL
) / 2
SC
0
0