MC68HC908JK3CDW Freescale Semiconductor, MC68HC908JK3CDW Datasheet - Page 139

• Manufacturer Part Number: MC68HC908JK3CDW
• Description: IC MCU 8MHZ 4K FLASH 20-SOIC
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908JK3CDW

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Peripherals: LED, LVD, POR, PWM
• Number Of I /o: 15
• Program Memory Size: 4KB (4K x 8)
• Program Memory Type: FLASH
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.3 V
• Data Converters: A/D 12x8b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Connectivity: -

11.1 Contents
11.2 Introduction
MC68H(R)C908JL3
Freescale Semiconductor
Technical Data — MC68H(R)C908JL3
—
Section 11. Analog-to-Digital Converter (ADC)
Rev. 1.1
11.2
11.3
11.4
11.4.1
11.4.2
11.4.3
11.4.4
11.4.5
11.5
11.6
11.6.1
11.6.2
11.7
11.7.1
11.8
11.8.1
11.8.2
11.8.3
This section describes the analog-to-digital converter (ADC). The ADC
is an 8-bit, 12-channels analog-to-digital converter.
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .138
Interrupts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .141
Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
I/O Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
I/O Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
ADC Port I/O Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
Voltage Conversion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .140
Conversion Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
Continuous Conversion . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
Accuracy and Precision . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .141
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .141
ADC Voltage In (ADCVIN) . . . . . . . . . . . . . . . . . . . . . . . . . 142
ADC Status and Control Register. . . . . . . . . . . . . . . . . . . .142
ADC Data Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
ADC Input Clock Register . . . . . . . . . . . . . . . . . . . . . . . . . 145
Analog-to-Digital Converter (ADC)
Technical Data
137