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4502 Datasheet(PDF) 1 Page - Renesas Technology Corp |
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4502 Datasheet(HTML) 1 Page - Renesas Technology Corp |
1 / 116 page DESCRIPTION The 4502 Group is a 4-bit single-chip microcomputer designed with CMOS technology. Its CPU is that of the 4500 series using a simple, high-speed instruction set. The computer is equipped with two 8-bit timers (each timer has a reload register), interrupts, and 10-bit A/D converter. The various microcomputers in the 4502 Group include variations of the built-in memory size as shown in the table below. FEATURES qMinimum instruction execution time ................................ 0.68 µs (at 4.4 MHz oscillation frequency, in high-speed mode) qSupply voltage ............................................................. 2.7 to 5.5 V (System is in the reset state when the voltage is under the detec- tion voltage of voltage drop detection circuit) Part number M34502M2-XXXFP M34502M4-XXXFP M34502E4FP (Note) ROM type Mask ROM Mask ROM One Time PROM Package PRSP0024GA-A PRSP0024GA-A PRSP0024GA-A RAM size (✕ 4 bits) 128 words 256 words 256 words ROM (PROM) size (✕ 10 bits) 2048 words 4096 words 4096 words qTimers Timer 1 ...................................... 8-bit timer with a reload register Timer 2 ...................................... 8-bit timer with a reload register qInterrupt ........................................................................ 4 sources qKey-on wakeup function pins ................................................... 12 qInput/Output port ...................................................................... 18 qA/D converter .................. 10-bit successive comparison method qWatchdog timer qClock generating circuit (ceramic resonator/RC oscillation) qLED drive directly enabled (port D) qPower-on reset circuit qVoltage drop detection circuit ........................... VRST: Typ. 3.5 V (Ta = 25 °C) APPLICATION Electrical household appliance, consumer electronic products, of- fice automation equipment, etc. Note: Shipped in blank. PIN CONFIGURATION 17 18 21 20 22 19 23 24 16 15 14 13 VDD P10 P11 P12/CNTR P13/INT P03 P02 P01 P00 VSS D4 D5 XIN XOUT CNVSS P21/AIN1 P20/AIN0 RESET D2/C D3/K D1 D0 P31/AIN3 P30/AIN2 Outline PRSP0024GA-A (24P2Q-A) 8 7 4 5 3 6 2 1 9 10 11 12 Pin configuration (top view) (4502 Group) Rev.3.01 2005.02.02 page 1 of 112 REJ03B0105-0301 4502 Group SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER REJ03B0105-0301 Rev.3.01 2005.02.02 |
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