UPD77019-013 NEC, UPD77019-013 Datasheet - Page 15
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UPD77019-013
Manufacturer Part Number
UPD77019-013
Description
16 bits/ Fixed-point Digital Signal Processor
Manufacturer
NEC
Datasheet
1.UPD77019-013.pdf
(56 pages)
- Current page: 15 of 56
- Download datasheet (262Kb)
1.2 Recommended Connection for Unused Pins
Notes 1. Can leave open, if no access to external data memory is
Remark
INT1 - INT4
X/Y
DA0 - DA13
D0 - D15
MRD, MWR
WAIT
HOLDRQ
BSTB
HOLDAK
SCK1, SCK2
SI1, SI2
SOEN1, SOEN2
SIEN1, SIEN2
SORQ1
SO1, SO2
SIAK1
HA0, HA1
HCS
HRD, HWR
HRE, HWE
HD0 - HD7
P0 - P3
TCK
TDO, TICE
TMS, TDI
CLKOUT
2. Can leave open, if HCS, HRD, HWR are fixed to high level.
Pin
Note1
executed in the whole of program.
But in the HALT mode or STOP mode when the current
consumption is reduced, connect a pin as recommended
connection.
But in the HALT mode or STOP mode when the current
consumption is reduced, connect a pin as recommended
connection.
I: Input pin, O: Output pin, I/O: Input/Output pin
Note2
Preliminary Data Sheet
I/O
I/O
I/O
I/O
O
O
O
O
O
O
O
O
O
O
O
I
I
I
I
I
I
I
I
I
I
I
I
connect to V
open
connect to V
open
connect to V
open
connect to V
connect to GND
open
connect to V
connect to V
open
connect to V
connect to GND, via a resistor
open
open(pull-up internally)
open
Recommended connection
DD
DD
DD
DD
DD
DD
DD
or GND, via a resistor
or GND
or GND
or GND, via a resistor
PD77019-013
15
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