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UPD77019 Datasheet(PDF) 15 Page - NEC

Part # UPD77019
Description  16 bits, Fixed-point Digital Signal Processor
PDF  56 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD77019 Datasheet(HTML) 15 Page - NEC

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15
µPD77018A, 77019
Recommended connection
connect to VDD
open
connect to VDD or GND, via a resistor
open
connect to VDD
open
connect to VDD or GND
connect to GND
open
connect to VDD or GND
connect to VDD
open
connect to VDD or GND, via a resistor
connect to GND, via a resistor
open
open(pull-up internally)
open
Pin
I/O
INT1 - INT4
I
X/Y
O
DA0 - DA13
O
D0 - D15Note1
I/O
MRD
O
MWR
O
WAIT
I
HOLDRQ
I
BSTB
O
HOLDAK
O
SCK1, SCK2
I
SI1, SI2
I
SOEN1, SOEN2
I
SIEN1, SIEN2
I
SORQ1
O
SO1, SO2
O
SIAK1
O
HA0, HA1
I
HCS
I
HRD
I
HWR
I
HRE
O
HWE
O
HD0 - HD7Note2
I/O
P0 - P3
I/O
TCK
I
TDO, TICE
O
TMS, TDI
I
CLKOUT
O
1.2
Recommended Connection for Unused Pins
Notes 1. Can leave open, if no access to external data memory is
executed in the whole of program.
2. Can leave open, if HCS, HRD, HWR are fixed to high level.
Remark
I:
Input pin
O:
Output pin
I/O: Input/Output pin



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