UPD784938 Datasheet, PDF (48/733 Pages) NEC – 16-Bit Single-Chip Microcontrollers

CHAPTER 1 GENERAL
Part Number µPD784935
µPD784936
µPD784937
µPD784938
Item
Interrupt Hardware source
27 (Internal: 20, External: 7 (sampling clock variable input: 1))
Software source
BRK instruction, BRKCS instruction, operand error
Non-maskable
Internal: 1, External: 1
Maskable
Internal: 19, External: 6
4 levels of programmable priority
3 processing type: Vectored interrupt/macro service/context switching
Supply voltage
• VDD = 4.0 to 5.5 V
(Main clock: @ fXX = 12.58-MHz operation,
Internal system clock = @ fXX, fCYK = 79 ns)
• VDD = 3.5 to 5.5 V
(Other than above, fCYK = 159 ns)
Package
100-pin plastic QFP (14 × 20 mm)
µPD78F4938
• VDD = 4.5 to 5.5 V
(Main clock:
@ fXX = 12.58-
MHz operation,
Internal system
clock = @ fXX,
fCYK = 79 ns)
• VDD = 4.0 to 5.5 V
(Other than
above,
fCYK = 159 ns)
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Preliminary User’s Manual U13987EJ1V0UM00