HD404459 Datasheet, PDF (4/122 Pages) Renesas Technology Corp – 4-bit HMCS400-series microcomputers

HD404459 Series
• Ten interrupt sources
 Five by external sources, including two double-edge function
 Five by internal sources
• Subroutine stack up to 16 levels, including interrupts
• Four low-power dissipation modes (transition time shortened)
 Stop mode
 Standby mode
 Watch mode
 Subactive mode (optional)
• One external input for transition from stop mode to active mode
• Instruction cycle time
 For HD404458/HD404459:
1, 2, 4, 8 µs (f_OSC = 4 MHz; 1/4, 1/8, 1/16, 1/32 division ratio)
 For HD4074459:
1, 2, 4, 8 µs (f_OSC = 4 MHz; 1/4, 1/8, 1/16, 1/32 division ratio; power voltage of 2.7 V or higher)
2, 4, 8, 16 µs (f_OSC = 2 MHz; 1/4, 1/8, 1/16, 1/32 division ratio; power voltage of 2.2 V or higher)
• Two general operating conditions
 MCU or PROM mode for HD4074459
 MCU mode only for HD404458/HD404459
Ordering Information
Type
Mask ROM
Product Name Model Name
HD404458
HD404458H
HD404459
HD404459H
ZTAT^TM
HD4074459
HD4074459H
ROM (Words)
8,192
RAM (Digits)
512
16,384
768
16,384
768
Package
64-pin plastic
QFP (FP-64A)
64-pin plastic
QFP (FP-64A)
64-pin plastic
QFP (FP-64A)
2