MC9S08RD32CDWE Freescale Semiconductor, MC9S08RD32CDWE Datasheet - Page 180

• Manufacturer Part Number: MC9S08RD32CDWE
• Description: IC MCU 32K FLASH 2K RAM 28-SOIC
• Manufacturer: Freescale Semiconductor
• Series: HCS08r

Specifications of MC9S08RD32CDWE

• Core Processor: HCS08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 23
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 3.6 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-SOIC (7.5mm Width)
• Processor Series: S08RD
• Core: HCS08
• Data Bus Width: 8 bit
• Data Ram Size: 2 KB
• Interface Type: SCI
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 39
• Number Of Timers: 2
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWS08
• Development Tools By Supplier: DEMO9S08RG60E
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Details

Analog Comparator (ACMP) Block Description
14.1
The ACMP has the following features:
14.2
The block diagram for the analog comparator module is shown below.
14.3
The ACMP has two analog input pins: ACMP1– and ACMP1+. Each of these pins can accept an input
voltage that varies across the full operating voltage range of the MCU. When the ACMP1+ is configured
to use the internal bandgap reference, ACMP1+ is available to be as general-purpose I/O. As shown in the
block diagram, the ACMP1+ pin is connected to the comparator non-inverting input if ACBGS is equal to
logic 0, and the ACMP1– pin is connected to the inverting input of the comparator.
180
•
•
•
•
ACMP1–
Full rail-to-rail supply operation.
Less than 40 mV of input offset.
Selectable interrupt on rising edge, falling edge, or either rising or falling edge of comparator
output.
Option to compare to fixed internal bandgap reference voltage.
ACMP1+
REFERENCE
INTERNAL
Features
Block Diagram
Pin Description
Figure 14-2. Analog Comparator Module Block Diagram
MC9S08RC/RD/RE/RG Data Sheet, Rev. 1.11
+
–
ACBGS
ACPE
STATUS & CONTROL
INTERNAL BUS
REGISTER
INTERRUPT
CONTROL
ACIE
ACF
Freescale Semiconductor
AC IRQ