mc68hc908kx8 Freescale Semiconductor, Inc, mc68hc908kx8 Datasheet - Page 191

• Manufacturer Part Number: mc68hc908kx8
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

17.10 Analog-to-Digital Converter (ADC) Characteristics
Freescale Semiconductor
Supply voltage
Input voltages
Resolution
Absolute accuracy
ADC clock rate
Conversion range
Power-up time
Conversion time
Sample time
Monotocity
Zero input reading
Full-scale reading
Input capacitance
1. One count is 1/256 of V
2. V
REFH
is shared with V
Characteristic
(1), (2)
MC68HC908KX8 • MC68HC908KX2 • MC68HC08KX8 Data Sheet, Rev. 2.1
DD
DD
. V
.
REFL
is shared with V
Symbol
V
t
f
C
ADPU
t
t
M
Z
F
V
B
A
R
ADIC
ADC
ADS
ADIN
ADI
ADI
ADI
DD
AD
AD
AD
AD
SS
.
500 k
–2.5
Min
V
2.7
16
16
00
—
—
0
8
5
SS
1.048 M
Analog-to-Digital Converter (ADC) Characteristics
Max
+2.5
V
V
5.5
FF
17
20
—
—
—
8
DD
DD
t
t
t
AIC
AIC
AIC
Guaranteed
Counts
Unit
Hex
Hex
Bits
Hz
pF
cycles
cycles
cycles
V
V
V
Tested only at 1 MHz
8 bits = 256 counts
t
AIC
Not tested
V
V
In
In
Notes
= 1/f
= V
= V
ADIC,
SS
DD
191