MC68HC11E0CB2 MOTOROLA [Motorola, Inc], MC68HC11E0CB2 Datasheet - Page 63
MC68HC11E0CB2
Manufacturer Part Number
MC68HC11E0CB2
Description
8-channel, 8-bit analog-to-digital (A/D) converter
Manufacturer
MOTOROLA [Motorola, Inc]
Datasheet
1.MC68HC11E0CB2.pdf
(268 pages)
- Current page: 63 of 268
- Download datasheet (4Mb)
3.1 Introduction
3.2 Overview
3.2.1 Multiplexer
M68HC11E Family — Rev. 5
MOTOROLA
Data Sheet — M68HC11E Family
The analog-to-digital (A/D) system, a successive approximation converter, uses an
all-capacitive charge redistribution technique to convert analog signals to digital
values.
The A/D system is an 8-channel, 8-bit, multiplexed-input converter. The converter
does not require external sample and hold circuits because of the type of charge
redistribution technique used. A/D converter timing can be synchronized to the
system E clock or to an internal resistor capacitor (RC) oscillator.
The A/D converter system consists of four functional blocks: multiplexer, analog
converter, digital control, and result storage. Refer to
The multiplexer selects one of 16 inputs for conversion. Input selection is controlled
by the value of bits CD:CA in the ADCTL register. The eight port E pins are
fixed-direction analog inputs to the multiplexer, and additional internal analog
signal lines are routed to it.
Port E pins also can be used as digital inputs. Digital reads of port E pins are not
recommended during the sample portion of an A/D conversion cycle, when the
gate signal to the N-channel input gate is on. Because no P-channel devices are
directly connected to either input pins or reference voltage pins, voltages above
V
to maximum ratings. Refer to
input pin.
DD
do not cause a latchup problem, although current should be limited according
Freescale Semiconductor, Inc.
For More Information On This Product,
Analog-to-Digital (A/D) Converter
Go to: www.freescale.com
Section 3. Analog-to-Digital (A/D) Converter
Figure
3-2, which is a functional diagram of an
Figure
3-1.
Data Sheet
63
Related parts for MC68HC11E0CB2
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Motorola, Inc [VOLTAGE REGULATOR]
Manufacturer:
Motorola
Datasheet:
Part Number:
Description:
6367254 MOTOROLA SC (XSTRS/R F)
Manufacturer:
MOTOROLA [Motorola, Inc]
Datasheet:
Part Number:
Description:
MC1494LMotorola, Inc [MONOLITHIC FOUR-QUADRANT MULTIPLIER]
Manufacturer:
Motorola
Datasheet:
Part Number:
Description:
MC1466LMotorola, Inc [PRECISION WIDE RANGE VOLTAGE AND CURRENT REGULATOR]
Manufacturer:
Motorola
Datasheet:
Part Number:
Description:
MC145532DWMotorola, Inc [ADPCM Transcoder]
Manufacturer:
Motorola
Datasheet:
Part Number:
Description:
Silicon Controlled Rectifiers
Manufacturer:
MOTOROLA [Motorola, Inc]
Datasheet:
Part Number:
Description:
RF Power Field Effect Transistors N-Channel Enhancement-Mode Lateral MOSFETs
Manufacturer:
MOTOROLA [Motorola, Inc]
Datasheet:
Part Number:
Description:
RF POWER FIELD EFFECT TRANSISTORS
Manufacturer:
MOTOROLA [Motorola, Inc]
Datasheet:
Part Number:
Description:
LATERAL N-CHANNEL BROADBAND RF POWER MOSFETs
Manufacturer:
MOTOROLA [Motorola, Inc]
Datasheet:
Part Number:
Description:
RF POWER FIELD EFFECT TRANSISTOR
Manufacturer:
MOTOROLA [Motorola, Inc]
Datasheet:
Part Number:
Description:
RF LOW POWER TRANSISTOR NPN SILICON
Manufacturer:
MOTOROLA [Motorola, Inc]
Datasheet:
Part Number:
Description:
PLASTIC SURFACE MOUNT ZENER DIODES 1.5 WATTS 3.3-68 VOLTS
Manufacturer:
MOTOROLA [Motorola, Inc]
Datasheet:
Part Number:
Description:
OVERVOLTAGE TRANSIENT SUPPRESSOR
Manufacturer:
MOTOROLA [Motorola, Inc]
Datasheet:
Part Number:
Description:
TMOS POWER FET 15 AMPERES 60 VOLTS
Manufacturer:
MOTOROLA [Motorola, Inc]
Datasheet:
Part Number:
Description:
TMOS POWER FET LOGIC LEVEL 19 AMPERES 30 VOLTS RDS(on) = 0.099 OHM
Manufacturer:
MOTOROLA [Motorola, Inc]
Datasheet: