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M34283 Datasheet(PDF) 4 Page - Renesas Technology Corp |
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M34283 Datasheet(HTML) 4 Page - Renesas Technology Corp |
4 / 64 page Rev.1.01 Mar 20, 2006 page 4 of 62 REJ03B0109-0101 4283 Group PERFORMANCE OVERVIEW Function 68 8.0 µs (f(XIN) = 4.0 MHz, system clock = f(XIN)/8, VDD = 3 V) 2048 words ✕ 9 bits 64 words ✕ 4 bits Four independent output ports Four independent I/O ports with the pull-down function 3-bit input port with the pull-down function 2-bit output port (E0, E1) 4-bit I/O port with the pull-down function 1-bit output port; CMOS output 8-bit timer with a reload register 8-bit timer with two reload registers 4 levels (However, only 3 levels can be used when the TABP p instruction is executed) CMOS silicon gate 20-pin plastic molded SSOP (20P2F-A) –20 °C to 85 °C 1.8 V to 3.6 V 400 µA (f(XIN) = 4.0 MHz, system clock = f(XIN)/8, VDD = 3 V) 0.1 µA (Ta=25°C, VDD = 3 V) Parameter Number of basic instructions Minimum instruction execution time Memory sizes Input/Output ports Timer Subroutine nesting Device structure Package Operating temperature range Supply voltage Power dissipation (typical value) ROM RAM D0–D3 D4–D7 E0–E2 E0, E1 G0–G3 CARR Timer 1 Timer 2 Active mode RAM back-up mode Output I/O Input Output I/O Output PIN DESCRIPTION Name Power supply Ground System clock input System clock output Output port D I/O port D I/O port E I/O port G Carrier wave output for remote control Input/Output — — Input Output Output I/O Output Input I/O Output Function Connected to a plus power supply. Connected to a 0 V power supply. I/O pins of the system clock generating circuit. Connect a ceramic resonator between pins XIN and XOUT. The feedback resistor is built-in between pins XIN and XOUT. Each pin of port D has an independent 1-bit wide output function. The output structure is P-channel open-drain. 1-bit I/O port. For input use, set the latch of the specified bit to “0.” When the built- in pull-down transistor is turned on, the key-on wakeup function using “H” level sense and the pull-down transistor become valid. The output structure is P-channel open-drain. 2-bit (E0, E1) output port. The output structure is P-channel open-drain. 3-bit input port. For input use (E0, E1), set the latch of the specified bit to “0.” When the built-in pull-down transistor is turned on, the key-on wakeup function using “H” level sense and the pull-down transistor become valid. Port E2 has an input-only port and has a key-on wakeup function using “H” level sense and pull- down transistor. 4-bit I/O port. For input use, set the latch of the specified bit to “0.” The output structure is P-channel open-drain. When the built-in pull-down transistor is turned on, the key- on wakeup function using “H” level sense and pull-down transistor become valid. Carrier wave output pin for remote control. The output structure is CMOS circuit. Pin VDD VSS XIN XOUT D0–D3 D4–D7 E0–E2 G0–G3 CARR |
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