Download µPD78081(A), 78082(A)

µPD78081(A), 78082(A)
• Electrical specifications of µPD78081(A2) (8/10)
Serial Transfer Timing
3-wire serial I/O mode :
tKCY1, 2
tKL1, 2
tKH1, 2
tF2
tR2
SCK2
tSIK1, 2
SI2
tKSI1, 2
Input data
tKSO1, 2
SO2
Output data
UART mode (external clock input) :
t KCY3
t KL3
t KH3
tR3
tF3
ASCK
A/D Converter Characteristics (TA = –40 to +125°C, AVDD = V DD = 5 V ±10%, AVSS = V SS = 0 V)
Parameter
Resolution
Overall error Note
Conversion time
Sampling time
Analog input voltage
Reference voltage
Resistance between AVREF and AVSS
Symbol
Conditions
MIN.
8
TYP.
8
4.5 V ≤ AVREF ≤ AVDD
tCONV
t SAMP
VIAN
AVREF
RAIREF
23.8
12/fxx
AVSS
4.5
4
MAX.
8
1.0
100
AVREF
AVDD
14
Unit
bit
%
µs
µs
V
V
kΩ
Note Overall error excluding quantization error (±1/2LSB). It is indicated as a ratio to the full-scale value.
Remark f XX : Main system clock frequency (f X or fX/2)
fX
46
: Main system clock oscillation frequency