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UPD75316GF Datasheet(PDF) 3 Page - NEC |
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UPD75316GF Datasheet(HTML) 3 Page - NEC |
3 / 62 page µPD75312(A), 75316(A) 3 FUNCTIONAL OUTLINE (1/2) Item Function Number of Basic 41 Instructions Instruction Cycle • 0.95 µs, 1.91 µs, 15.3 µs (Main system clock: operating at 4.19 MHz) • 122 µs (Subsystem clock: operating at 32.768 kHz) ROM 16256 × 8-bit ( µPD75316(A)), 12160 × 8-bit (µPD75312(A)) RAM 512 × 4 bits General-Purpose • 4-bit manipulation: 8 (B, C, D, E, H, L, X, A) Registers • 8-bit manipulation: 4 (BC, DE, HL, XA) Accumulator • Bit accumulator (CY) • 4-bit accumulator (A) • 8-bit accumulator (XA) Instruction Set • Abundant bit manipulation instructions • Efficient 4-bit data manipulation instructions • 8-bit data transfer instructions • GETI instruction executing 2-/3-byte instruction with a single byte I/O Line 40 8 CMOS input pins Pull-up by software is possible. : 23 16 CMOS input/output pins 8 CMOS output pins Also serve as segment pins 8 N-ch open-drain input/output Withstand voltage: 10 V Pull-up by mask option is possible. : 8 LCD Controller/ • Segment number selection: 24/28/32 segments Driver (4/8 pins can also be used as bit ports.) • Display mode selection: Static, 1/2 duty, 1/3 duty (1/2 bias), 1/3 duty (1/3 bias), 1/4 duty • Dividing resistor for LCD driving can be built-in by mask option. Supply Voltage VDD = 2.7 to 6.0 V Range Internal Memory Timer 3 chs • 8-bit timer/event counter • Clock source: 4 steps • Event count is possible • 8-bit basic interval timer • Reference time generation: 1.95 ms, 7.82 ms, 31.3 ms, 250 ms (operating at 4.19 MHz) • Can be used as watchdog timer • Watch timer • Generates 0.5-second time intervals • Count clock source: Main system clock or subsystem clock (selectable) • Watch fast forward mode (generates 3.9-ms time intervals) • Buzzer output (2 kHz) |
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Similar Description - UPD75316GF |
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