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UPD784054 Datasheet(PDF) 2 Page - NEC

Part No. UPD784054
Description  16-BIT SINGLE-CHIP MICROCONTROLLER
Download  86 Pages
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Maker  NEC [NEC]
Homepage  http://www.nec.com/
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UPD784054 Datasheet(HTML) 2 Page - NEC

 
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µPD784054(A)
2
ORDERING INFORMATION
Part Number
Package
Internal ROM (bytes) Internal RAM (bytes)
µPD784054GC(A)-×××-3B9
80-pin plastic QFP (14
× 14 mm)
32 K
1024
µPD784054GC(A1)-×××-3B9 80-pin plastic QFP (14 × 14 mm)
32 K
1024
µPD784054GC(A2)-×××-3B9 80-pin plastic QFP (14 × 14 mm)
32 K
1024
Remark
××× indicates ROM code suffix.
QUALITY GRADE
Special
Please refer to "Quality Grades on NEC Semiconductor Devices" (Document No. C11531E) published by
NEC Corporation to know the specification of quality grade on the devices and its recommended applications.
Differences between
µPD784054 and µPD784054(A)
Part Number
µPD784054
µPD784054(A)
Item
Quality grade
Standard
Special
Operating ambient temperature (TA)
–10 to + 70˚C
–40 to +85 ˚C
Operating frequency
8 to 32 MHz
8 to 25 MHz
Minimum instruction execution time
125 ns (with 16-MHz internal clock)
160 ns (with 12.5-MHz internal clock)
DC characteristics
VDD supply current differs.
AC characteristics
Bus timing and serial operation differ.
A/D converter characteristics
Conversion time and sampling time differ.
Differences between
µPD784054(A), 784054(A1) and 784054(A2)
Part Number
µPD784054(A)
µPD784054(A1)
µPD784054(A2)
Item
Operating ambient temperature (TA)
–40 to +85 ˚C
–40 to +110 ˚C
–40 to +125 ˚C
Operating frequency
8 to 25 MHz
8 to 20 MHz
Minimum instruction execution time
160 ns (with 12.5-MHz
200 ns
internal clock)
(with 10-MHz internal clock)
DC characteristics
Analog pin input leakage current, VDD supply current and data
retention current differ.
AC characteristics
Bus timing and serial operation differ.
A/D converter characteristics
AVREF current and A/D converter data retention current differ.


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