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EKTF6708 Datasheet(PDF) 139 Page - ELAN Microelectronics Corp |
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EKTF6708 Datasheet(HTML) 139 Page - ELAN Microelectronics Corp |
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139 / 158 page  eKTF6708 8-Bit Microcontroller IC Product Specification (V1.2) 03.12.2020 129 (This specification is subject to change without prior notice) 6.20 Code Option 6.20.1 Code Option Register (Word 0) Word 0 Bit 15 Bit 14 Bit 13 Bit 12 Bit 11 Bit 10 Bit 9 Bit 8 Mnemonic - - IRCWUT IODG1 IODG0 HLFS HLP LVR1 0 Low Low 32 clks Low Low Green Low Low 1 High High 8 clks High High Normal High High Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Mnemonic LVR0 RESETEN ENWDT NRHL NRE - - - 0 Low /RST Enable 8/fc Disable Low Low Low 1 High P51 Disable 32/fc Enable High High High Bits 15~14: Not used, set to "1" all the time. Bit 13 (IRCWUT): IRC Warm Up time 0: 32 clocks 1: 8 clocks (default) CPU mode switch IRC Frequency POR/LVR Waiting time before CPU starting to work PERCS = 1 PERCS = 0 Green -> Normal 4M, 8M 16ms + WSTO + 8/32 clocks (main frequency) WSTO + (8/32) clocks@4M&8M WSTO + 32 clocks@12M&16M (main frequency) 12M, 16M Idle -> Normal 4M, 8M, 12M, 16M WSTO + 3 clocks (sub frequency 32KHz) Sleep -> Normal WSTO + 6 clocks (sub frequency 32KHz) Idle -> Green 32KHz 16ms + WSTO + 3 clocks (sub frequency) WSTO + 3 clocks (sub frequency 32KHz) Sleep -> Green WSTO + 6 clocks (sub frequency 32KHz) Bits 12~11 (IODG1~IODG0): I2C pin deglitch time select bits. IODG1~0 SPI pin deglitch time I2C pin deglitch time UART pin deglitch time OCD pin deglitch time 11 typical delay=8ns 50ns@5v,Min.(default) 50ns@5v,Min.(default) 20ns@5v,Typical(defau lt) 10 typical delay=15ns 100ns@5v,Min. 200ns@5v,Min. 01 typical delay=25ns 150ns@5v,Min. 400ns@5v,Min. 00 no deglitch no deglitch no deglitch no deglitch Bit 10 (HLFS): Reset to Normal or Green Mode Select Bit 0: CPU is selected as Green mode when a reset occurs. 1: CPU is selected as Normal mode when a reset occurs (default) Bit 9 (HLP): Power Consumption Selection |
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