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M35052 Datasheet(PDF) 22 Page - Renesas Technology Corp |
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M35052 Datasheet(HTML) 22 Page - Renesas Technology Corp |
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22 / 37 page ![]() MITSUBISHI MICROCOMPUTERS M35052-XXXSP/FP SCREEN CHARACTER and PATTERN DISPLAY CONTROLLERS 21 SERIAL DATA INPUT TIMING (1) The address consists of 16 bits. (2) The data consists of 16 bits. (3) __ The 16 bits in the SCK after the CS signal has fallen are the ad- dress, and for succeeding input data, the address is incremented every 16 bits. Output timing of decode data (1) __ Setting “1” in the W/R register activates output mode. (2) Outputs decode data in 16 clocks of the SCK after switching over to output mode. (Don’t enter the SCK for more than 16 clocks.) (3) __ Raising the CS signal deactivates output mode. __ (To switch over to input mode, cause CS to fall.) (4) If no data are present, or if data have already been read, 000016 is output. Fig. 11 Decode data output timing Fig. 10 Serial input timing Address (16 bit) N=1, 2, 3 CS SCK LSBMSB SIN Data N (16 bit) Data N+1 (16 bit) LSBMSBLSBMSB ...... MSB LSB Decode data (16 bit) LSB Address (16 bit) Data (16 bit) CS SCK SIN MSB 1 21516 ... Output mode When register MB/LB (Address F516) = “0” (Register W/R =“1”) |
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