MC9S08QG8CDTER Freescale, MC9S08QG8CDTER Datasheet - Page 109

• Manufacturer Part Number: MC9S08QG8CDTER
• Manufacturer: Freescale

Specifications of MC9S08QG8CDTER

• Cpu Family: HCS08
• Device Core Size: 8b
• Frequency (max): 20MHz
• Interface Type: I2C/SCI/SPI
• Total Internal Ram Size: 512Byte
• # I/os (max): 12
• Number Of Timers - General Purpose: 1
• Operating Supply Voltage (typ): 2.5/3.3V
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 1.8V
• On-chip Adc: 8-chx10-bit
• Instruction Set Architecture: CISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 16
• Package Type: TSSOP
• Program Memory Type: Flash
• Program Memory Size: 8KB
• Lead Free Status / RoHS Status: Compliant

Chapter 8
Analog Comparator (S08ACMPV2)
8.1
The analog comparator module (ACMP) provides a circuit for comparing two analog input voltages or for
comparing one analog input voltage to an internal reference voltage. The comparator circuit is designed to
operate across the full range of the supply voltage (rail-to-rail operation).
Figure 8-1
8.1.1
When using the bandgap reference voltage for input to ACMP+, the user must enable the bandgap buffer
by setting BGBE =1 in SPMSC1; see
Register
Characteristics”.
To use ACMPO, the BKGDPE bit in SOPT1 must be cleared. This will disable the background debug
mode and on-chip ICE.
8.1.2
The ACMP module can be configured to connect the output of the analog comparator to TPM input capture
channel 0 by setting ACIC in SOPT2. With ACIC set, the TPMCH0 pin is not available externally
regardless of the configuration of the TPM module.
Freescale Semiconductor
(SPMSC1)”. For the value of the bandgap voltage reference see
Introduction
shows the MC9S08QG8/4 block diagram with the ACMP highlighted.
ACMP Configuration Information
ACMP/TPM Configuration Information
MC9S08QG8 and MC9S08QG4 Data Sheet, Rev. 5
Section 5.8.8, “System Power Management Status and Control 1
Section A.5, “DC
107