µ
PD78C14(A)
34
SERIAL OPERATION:
Parameter
Symbol
Test Condition
MIN.
MAX.
UNIT
SCK Cycle Time
t
CYK
SCK Input
Note 1
800
ns
Note 2
400
ns
SCK Output
1.6
µ
s
SCK Width Low
t
KKL
SCK Input
Note 1
335
ns
Note 2
160
ns
SCK Output
700
ns
SCK Width High
t
KKH
SCK Input
Note 1
335
ns
Note 2
160
ns
SCK Output
700
ns
RxD Setup Time to SCK
↑
t
RXK
Note 1
80
ns
RxD Hold Time After SCK
↑
t
KRX
Note 1
80
ns
SCK
↓ →
TxD Delay Time
t
KTX
Note 1
210
ns
Notes 1.
In case of x1 clock rate in asynchronous mode, synchronous mode, or I/O interface mode.
2.
In case of x16 or x64 clock rate in asynchronous mode.
Remark The numeric values in the table apply when f
XX
= 15 MHz, C
L
= 150 pF.
ZERO-CROSS CHARACTERISTICS:
Parameter
Symbol
Test Condition
MIN.
MAX.
UNIT
Zero-Cross Detection Input
V
ZX
AC Coupled
1
1.8
VAC
P–P
Zero-Cross Accuracy
A
ZX
60-Hz Sine Wave
±
135
mV
Zero-Cross Detection Input Frequency
f
ZX
0.05
1
kHz
OTHER OPERATION:
Parameter
Symbol
Test Condition
MIN.
MAX.
UNIT
TI Width High, Low
t
TIH
, t
TIL
6
t
CYC
CI Width High, Low
t
CI1H
, t
CI1L
Event Counter Mode
6
t
CYC
t
CI2H
, t
CI2L
Pulse Width Measurement Mode
48
t
CYC
NMI Width High, Low
t
NIH
, t
NIL
10
µ
s
INT1 Width High, Low
t
I1H
, t
I1L
36
t
CYC
INT2 Width High, Low
t
I2H
, t
I2L
36
t
CYC
AN7-4 Width High, Low
t
ANH
, t
ANL
36
t
CYC
RESET Width High, Low
t
RSH
, t
RSL
10
µ
s
*