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IA188EM-PQF100I-R 数据表(PDF) 70 Page - InnovASIC, Inc |
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IA188EM-PQF100I-R 数据表(HTML) 70 Page - InnovASIC, Inc |
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70 / 133 page  IA186EM/IA188EM Data Sheet 8/16-BIT Microcontrollers As of Production Version -03 x2 – Crystal Input (input) This pin and x1 are the connections for a fundamental mode or third-overtone, parallel-resonant crystal used by the internal oscillator circuit. An external clock source for the microcontroller is connected to x1 while the x2 pin is left unconnected. Pins Used by Emulators The following pins are used by emulators: a19-a0 ao15-ao8 ad7-ad0 ale bhe_n/aden_n (on the AI186EM) clkouta rfsh2_n/aden_n (on the AI188EM) rd_n s2_n-s0_n s6/lock_n/clkdiv2_n uzi_n Emulators require that s6/lock_n/clkdiv2_n and uzi_n be configured as their normal functions, i.e. as s6 and uzi_n respectively. Holding bhe_n/aden_n (AI186EM) or rfsh_n/aden_n (AI188EM) low during the rising edge of res_n, s6 and uzi_n will be configured in their normal functions instead of as PIOs, at reset. 3737 Princeton NE, Ste 130 • Albuquerque, NM 87107 • Tel 505.883.5263 • Fax 505.883.5477 • www.Innovasic.com |
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