UPD67B中文資料瑞薩數(shù)據(jù)手冊PDF規(guī)格書

FEATURES

? Program memory (ROM)

? μPD67B: 1,002 × 10 bits

? μPD68B: 2,026 × 10 bits

? Data memory (RAM): 32 × 4 bits

? On-chip carrier generator for infrared remote control: Each high-/low-level width can be set from 250 ns to 64

μs (@ fX = 4 MHz operation) via modulo registers

? 9-bit programmable timer: 1 channel

? Instruction execution time: 16 μs (@ fX = 4 MHz operation: ceramic oscillation)

? Stack level: 1 level (stack RAM is also used as data memory RF)

? I/O pins (KI/O): 8

? Input pins (KI): 4

? Sense input pins (S0, S2): 2

? S1/LED pin (I/O): 1 (when in output mode, this is the remote control transmission display pin)

? Power supply voltage: VDD = 1.65 to 3.6 V

? Operating ambient temperature: TA = –40 to +85°C

? Oscillation frequency: fX = 3.5 to 4.5 MHz

? On-chip POC circuit and RAM retention detector