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UPD78C18 데이터시트(PDF) 92 Page - NEC

부품명 UPD78C18
상세설명  8-BIT SINGLE-CHIP MICROCONTROLLER WITH A/D CONVERTER
PDF  110 Pages
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제조업체  NEC [NEC]
홈페이지  http://www.nec.com/
Logo NEC - NEC

UPD78C18 데이터시트(HTML) 92 Page - NEC

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92
µPD78C17,78C18
Serial Operation :
PARAMETER
SYMBOL
TEST CONDITIONS
MIN.
MAX.
UNIT
SCK cycle time
tCYK
SCK input
Note1
800
ns
Note2
400
ns
SCK output
1.6
µs
SCK low-level width
tKKL
SCK input
Note1
335
ns
Note2
160
ns
SCK output
700
ns
SCK high-level width
tKKH
SCK input
Note1
335
ns
Note2
160
ns
SCK output
700
ns
RXD setup time (to SCK
↑ )tRXK
Note1
80
ns
RXD hold time (from SCK
↑ )tKRX
Note1
80
ns
TXD delay time from SCK
↓
tKTX
Note1
210
ns
Notes 1. If clock rate is
×1 in asynchronous mode, synchronous mode, or I/O interface mode.
2. If clock rate is
×16 or ×64 in asynchronous mode.
Remark
The numeric values in the table are those when fXX = 15 MHz, CL = 100 pF.
Zero-Cross Characteristics :
PARAMETER
SYMBOL
TEST CONDITIONS
MIN.
MAX.
UNIT
Zero-cross detection input
VZX
AC combination
1
1.8
VACP-P
60-Hz sine wave
Zero-cross accuracy
AZX
±135
mV
Zero-cross detection input
fZX
0.05
1
kHz
frequency
Other Operation :
PARAMETER
SYMBOL
TEST CONDITIONS
MIN.
MAX.
UNIT
TI high, low-level width
tTIH, tTIL
6tCYC
CI high, low-level width
tCI1H, tCI1L
Event count mode
6
tCYC
tCI2H,tCI2L
Pulse width test mode
48
tCYC
NMI high, low-level width
tNIH, tNIL
10
µs
INT1 high, low-level width
tI1H, tI1L
36
tCYC
INT2 high, low-level width
tI2H, tI2L
36
tCYC
AN7 to AN4, low-level width
tANH, tANL
36
tCYC
RESET high, low-level width
tRSH, tRSL
10
µs



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