µPD70433
• Interrupt controller
• Programmable priority (4 levels)
• Three interrupt servicing methods
Vectored interrupt function, register bank switching function, macro service function
• 16-bit timer: 4 channels
• Watchdog timer function
• Software interval timer (16 bits)
• Address field wait insertion function and RAS/CAS switchover timing generation function
• DRAM and pseudo-SRAM refresh functions
• Standby functions (STOP mode, HALT mode)
• On-chip clock generator
APPLICATIONS
• Control of data processing systems using serial or parallel communication
(Data processing terminals, printer, G3 facsimile, etc.)
ORDERING INFORMATION
Part Number
µPD70433GD-12-5BB
µPD70433GD-16-5BB
µPD70433R-12
µPD70433R-16
µPD70433GJ-12-3EB
µPD70433GJ-16-3EB
Package
Maximum Operating
Frequency (MHz)
120-pin plastic QFP (28 × 28 mm)
120-pin plastic QFP (28 × 28 mm)
132-pin ceramic PGA
132-pin ceramic PGA
120-pin plastic QFP (fine pitch) (20 × 20 mm)
120-pin plastic QFP (fine pitch) (20 × 20 mm)
12.5
16
12.5
16
12.5
16
2