MC68HC705B16CFN Freescale Semiconductor, MC68HC705B16CFN Datasheet - Page 241

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MC68HC705B16CFN

Manufacturer Part Number
MC68HC705B16CFN
Description
IC MCU 2.1MHZ 15K OTP 52-PLCC
Manufacturer
Freescale Semiconductor
Series
HC05r
Datasheet

Specifications of MC68HC705B16CFN

Core Processor
HC05
Core Size
8-Bit
Speed
2.1MHz
Connectivity
SCI
Peripherals
POR, WDT
Number Of I /o
32
Program Memory Size
15KB (15K x 8)
Program Memory Type
OTP
Eeprom Size
256 x 8
Ram Size
352 x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 8x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
52-PLCC
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
F.8
A/D converter characteristics
Table F-9 A/D characteristics for 5V operation
= 5.0 Vdc ± 10%, V
(V
= 0 Vdc, T
DD
SS
A
Characteristic
Resolution
Number of bits resolved by the A/D
Non-linearity
Max deviation from the best straight line through the A/D
transfer characteristics
(V
= V
and V
RH
DD
Quantization error
Uncertainty due to converter resolution
Absolute accuracy
Difference between the actual input voltage and the
full-scale equivalent of the binary code output code for all
errors
Conversion range
Analog input voltage range
V
Maximum analog reference voltage
RH
V
Minimum analog reference voltage
RL
(1)
∆V
Minimum difference between V
R
Conversion time
Total time to perform a single analog to digital conversion
a. External clock (OSC1, OSC2)
b. Internal RC oscillator
Monotonicity
Conversion result never decreases with an increase in
input voltage and has no missing codes
Zero input reading
Conversion result when V
Full scale reading
Conversion result when V
Sample acquisition time Analog input acquisition sampling
a. External clock (OSC1, OSC2)
b. Internal RC oscillator
Sample/hold capacitance Input capacitance on PD0/AN0–PD7/AN7
(3)
Input leakage
Input leakage on A/D pins PD0/AN0–PD7/AN7, VRL, VRH
(1) Performance verified down to 2.5V ∆VR, but accuracy is tested and guaranteed at ∆VR = 5V±10%.
(2) Source impedances greater than 10kΩ will adversely affect internal charging time during input sampling.
(3) The external system error caused by input leakage current is approximately equal to the product of R source and input
current. Input current to A/D channel will be dependent on external source impedance (see
MC68HC05B6
Rev. 4.1
= T
to T
)
L
H
Parameter
= 0V)
RL
and V
RH
RL
= V
IN
RL
= V
IN
RH
(2)
MC68HC705B16N
Min
Max
Unit
8
Bit
± 0.5
LSB
± 0.5
LSB
± 1
LSB
V
V
V
RL
RH
V
V
+ 0.1
V
RL
DD
V
– 0.1
V
V
SS
RH
3
V
32
t
CYC
µs
32
GUARANTEED
00
Hex
FF
Hex
12
t
CYC
µs
12
12
pF
1
µA
Figure
8-2).
Freescale
F-23
14

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