MC68HC908GR16 Datasheet, PDF (262/276 Pages) Motorola, Inc – Microcontrollers

Electrical Specifications
20.11 3.3-Volt ADC Characteristics
Characteristic⁽¹⁾
Symbol
Min
Max
Unit
Supply voltage
V_DDAD
3.0
3.6
V
Input voltages
Resolution
Absolute accuracy
ADC internal clock
Conversion range
Power-up time
Conversion time
Sample time
Monotonicity
Zero input reading
Full-scale reading
Input capacitance
V_DDAD/V_REFH current
Absolute accuracy
(8-bit truncation mode)
Quantization error
(8-bit truncation mode)
V_ADIN
B_AD
A_AD
f_ADIC
R_AD
t_ADPU
t_ADC
t_ADS
M_AD
Z_ADI
F_ADI
C_ADI
I_VREF
A_AD
—
0
10
–6
500 k
V_SSAD
16
16
5
000
3FA
—
—
–1
–1/8
V_DDAD
10
+6
1.048 M
V_DDAD
—
17
—
005
3FF
30
1.2
+1
V
Bits
Counts
Hz
V
t_AIC cycles
t_AIC cycles
t_AIC cycles
Guaranteed
Hex
Hex
pF
mA
LSB
+7/8
LSB
1. V_DD = 3.3 Vdc ± 10%, V_SS = 0 Vdc, V_DDAD/VREFH = 3.3 Vdc ± 10%, V_SSAD/V_REFL = 0 Vdc
Comments
V_DDAD should be tied to
the same potential as V_DD
via separate traces.
V_ADIN <= V_DDAD
Includes quantization
t_AIC = 1/f_ADIC
V_ADIN = V_SSA
V_ADIN = V_DDA
Not tested
Includes quantization
20.12 Timer Interface Module Characteristics
Characteristic
Symbol
Min⁽¹⁾
Max
Timer input capture pulse width
Timer input capture period
Timer input clock pulse width
t_TH, t_TL
2
—
t_TLTL
Note 1
—
t_TCH, t_TCL
t_CYC +5
—
1. The minimum period is the number of cycles it takes to execute the interrupt service routine plus 1 t_CYC.
Unit
t_CYC
t_CYC
t_CYC
t_TCH
TCLK
t_TCL
Figure 20-2. Timer Input Timing
MC68HC908GR16 Data Sheet, Rev. 5.0
262
Freescale Semiconductor