UPD72001-A8 NEC [NEC], UPD72001-A8 Datasheet - Page 17

• Manufacturer Part Number: UPD72001-A8
• Description: MULTI-PROTOCOL SERIAL CONTROLLERS
• Manufacturer: NEC [NEC]

Serial control:
Interrupt control:
Transmit/receive data cycle
STR
STR
clock pulse width
STR
TR
R
R
R
T
T
R
R
RD
WR
INTAK low-pulse width
INTAK high-pulse width
PRI
INT
2nd INTAK
SR2B read RD
PRI setup time (vs. INTAK )
PRI hold time (vs. INTAK )
PRI setup time (vs. INTAK )
PRI hold time (vs. INTAK )
INTAK
INTAK
X
X
X
X
X
X
X
Note Of STR
Note Measured value with 2-k
D
D
D setup time (vs. STR
D hold time (vs. STR
D
C
C
X
C
X
X
X
C, TR
C, TR
C, TR
Note
Note
PRO delay time
INT delay time
DRQT
T
DRQR
X
PRO
DRQT
D delay time
data output delay time
data float delay time
T
X
X
X
C input clock cycle
C input
C
X
Parameter
Parameter
D delay time
X
INT delay time
DRQR
delay time
X
X
INT
delay time
X
delay time
C and TR
delay time
T
X
X
INT delay time
D delay time
delay time
delay time
X
C, TR
X
C, TR
High
Low
X
X
C, the one used as the receive clock.
C )
X
C )
pull-up resistor and 100-pF load capacitance connected
Symbol
Symbol
t
t
t
t
t
t
t
t
t
DRDTD1
DRDTD2
t
t
t
t
t
t
t
t
t
t
DTCTD1
DTCTD2
DTCTD3
t
SRDRC
HRCRD
DTDDQ
DRCDQ
t
t
t
t
t
t
t
t
DTDIQ
DRCIQ
DWDQ
DPIPO
DIQPO
DRDIQ
SPIIA1
HIAPI1
SPIIA2
HIAPI2
t
DRDQ
DIAIQ
WIAH
WCH
WCL
WIAL
DIAD
FIAD
CYD
CYC
T
T
TR
When DPLL is not used
When DPLL is not used
ECHO BACK mode
Without SDLC Loop delay
T
T
R
R
INT output level = 0.8 V
INT output level = 2.2 V
INT output level = 0.8 V
INT output level = 2.2 V
When vector output is enabled
When vector output is disabled
1 mode, COP, BOP
16, 32, 64 mode
A
A
X
X
X
X
= –10 to +70 C
= –40 to +85 C
X
INT mode
DMA mode
INT mode
DMA mode
C is output
Condition
Condition
Note
Note
Note
Note
PD72001-11, 72001-A8
MIN.
MIN.
120
120
120
–20
90
40
40
45
20
20
20
10
Rated Value
Rated Value
5
0
0
4
4
7
7
0
MAX.
MAX.
+50
100
300
100
100
100
120
120
120
300
150
300
120
11
11
50
85
6
6
Unit
Unit
t
t
t
t
t
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
CYK
CYK
CYK
CYK
CYK
17