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HD6432241RTE Datasheet(PDF) 7 Page - Renesas Technology Corp |
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HD6432241RTE Datasheet(HTML) 7 Page - Renesas Technology Corp |
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7 / 818 page  Rev.3.00 Mar. 26, 2007 Page vii of xlii REJ09B0355-0300 Main Revisions for This Edition Item Page Revision (See Manual for Details) All — • Company name and brand names amended (Before) Hitachi, Ltd. → (After) Renesas Technology Corp. • Designation for categories amended (Before) H8/2245 Series → (After) H8/2245 Group 1.1 Overview Table 1.1 Overview 2 Table 1.1 amended CPU • High-speed operation suitable for realtime control Maximum clock rate: 20 MHz High-speed arithmetic operations (20-MHz operation) 1.3.2 Pin Functions in Each Operating Mode 8 to 11 Note *2 added Mode 2 *1 Mode 3*1 Mode 6*1 Mode 7*1 PROM Mode*2 Table 1.2 Pin Functions in Each Operating Mode 11 Notes: 1. Cannot be used in the H8S/2240. 2. NC should be left open. 1.3.3 Pin Functions Table 1.3 Pin Functions 13 Description amended Operating mode control ... H8S/2245 Group is operating. Except for mode changing, be sure to fix the levels of the mode pins (MD 2 to MD0) by pulling them down or pulling them up until the power turns off. 2.1.1 Features 20 Description amended • High-speed operation Maximum clock rate: 20MHz 8/16/32-bit register-register add/subtruct: 50 ns (20-MHz operation) 8 × 8-bit register-register multiply: 600 ns (20-MHz operation) 16 ÷ 8-bit register-register divide: 600 ns (20-MHz operation) 16 × 16-bit register-register multiply: 1000 ns (20-MHz operation) 32 ÷ 16-bit register-register divide: 600 ns (20-MHz operation) |
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