MC9S08QD2CSC Freescale, MC9S08QD2CSC Datasheet - Page 101

• Manufacturer Part Number: MC9S08QD2CSC
• Manufacturer: Freescale

Specifications of MC9S08QD2CSC

• Cpu Family: HCS08
• Device Core Size: 8b
• Frequency (max): 8MHz
• Total Internal Ram Size: 128Byte
• # I/os (max): 4
• Number Of Timers - General Purpose: 3
• Operating Supply Voltage (typ): 3.3/5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 2.7V
• On-chip Adc: 4-chx10-bit
• Instruction Set Architecture: CISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 8
• Package Type: SOIC N
• Program Memory Type: Flash
• Program Memory Size: 2KB
• Lead Free Status / RoHS Status: Compliant

8.3.2
The ADCSC2 register is used to control the compare function, conversion trigger and conversion active
of the ADC module.
Freescale Semiconductor
ADTRG
ADACT
Field
1
7
6
Bits 1 and 0 are reserved bits that must always be written to 0.
Reset:
W
R
Status and Control Register 2 (ADCSC2)
Conversion Active — ADACT indicates that a conversion is in progress. ADACT is set when a conversion is
initiated and cleared when a conversion is completed or aborted.
0 Conversion not in progress
1 Conversion in progress
Conversion Trigger Select — ADTRG is used to select the type of trigger to be used for initiating a conversion.
Two types of trigger are selectable: software trigger and hardware trigger. When software trigger is selected, a
conversion is initiated following a write to ADCSC1. When hardware trigger is selected, a conversion is initiated
following the assertion of the ADHWT input.
0 Software trigger selected
1 Hardware trigger selected
ADACT
7
0
ADCH
00111
01000
01001
01010
01011
01100
01101
01110
01111
= Unimplemented or Reserved
ADTRG
Figure 8-5. Status and Control Register 2 (ADCSC2)
0
6
Table 8-4. ADCSC2 Register Field Descriptions
Figure 8-4. Input Channel Select (continued)
MC9S08QD4 Series MCU Data Sheet, Rev. 6
Input Select
ACFE
0
5
AD10
AD11
AD12
AD13
AD14
AD15
AD7
AD8
AD9
ACFGT
0
4
Description
0
0
3
Analog-to-Digital Converter (S08ADC10V1)
ADCH
10111
11000
11001
11010
11011
11100
11101
11110
11111
0
0
2
R
0
1
1
Module disabled
Input Select
Reserved
V
V
AD23
AD24
AD25
AD26
AD27
REFH
REFL
R
0
0
1
101