English
Language : 

UPD784044 Datasheet, PDF (2/90 Pages) NEC – 16-BIT SINGLE-CHIP MICROCONTROLLER
µPD784044(A), 784046(A)
ORDERING INFORMATION
Part Number
Package
Internal ROM (bytes) Internal RAM (bytes)
µPD784044GC(A)-×××-3B9 80-pin plastic QFP (14 × 14 mm)
µPD784044GC(A1)-×××-3B9 80-pin plastic QFP (14 × 14 mm)
µPD784044GC(A2)-×××-3B9 80-pin plastic QFP (14 × 14 mm)
µPD784046GC(A)-×××-3B9Note 80-pin plastic QFP (14 × 14 mm)
µPD784046GC(A1)-×××-3B9Note 80-pin plastic QFP (14 × 14 mm)
µPD784046GC(A2)-×××-3B9Note 80-pin plastic QFP (14 × 14 mm)
32 K
32 K
32 K
64 K
64 K
64 K
1024
1024
1024
2048
2048
2048
Note Under development
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 µPD784046 and µPD784046(A)
Item
Part Number
µPD784044, 784046, 78F4046
µPD784044(A), 784046(A)
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 µPD784046(A), 784046(A1) and 784046(A2)
Item
Part Number
µPD784046(A)
µPD784046(A1)
µPD784046(A2)
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
internal clock)
200 ns
(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.
Remark The differences between µPD784044(A), 784044(A1) and 784044(A2) is the same as above table.
2