Received: from PCH.mit.edu (18.7.21.50) by mail.efplus.com (192.168.0.8) with Microsoft SMTP Server (TLS) id 8.3.485.1; Mon, 5 Oct 2020 03:56:47 -0700 Received: from PCH.MIT.EDU (localhost.localdomain [127.0.0.1]) by PCH.mit.edu (8.14.7/8.12.8) with ESMTP id 095Ajsnk027708; Mon, 5 Oct 2020 06:46:55 -0400 Received: from outgoing-exchange-7.mit.edu (OUTGOING-EXCHANGE-7.MIT.EDU [18.9.28.58]) by PCH.mit.edu (8.14.7/8.12.8) with ESMTP id 095AjqGN027705 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Mon, 5 Oct 2020 06:45:52 -0400 Received: from w92exedge4.exchange.mit.edu (W92EXEDGE4.EXCHANGE.MIT.EDU [18.7.73.16]) by outgoing-exchange-7.mit.edu (8.14.7/8.12.4) with ESMTP id 095AjVQr025202 for ; Mon, 5 Oct 2020 06:45:51 -0400 Received: from w92exhyb2.exchange.mit.edu (18.7.71.32) by w92exedge4.exchange.mit.edu (18.7.73.16) with Microsoft SMTP Server (TLS) id 15.0.1293.2; Mon, 5 Oct 2020 06:44:37 -0400 Received: from oc11exhyb3.exchange.mit.edu (18.9.1.99) by w92exhyb2.exchange.mit.edu (18.7.71.32) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Mon, 5 Oct 2020 06:45:28 -0400 Received: from NAM10-DM6-obe.outbound.protection.outlook.com (104.47.58.106) by oc11exhyb3.exchange.mit.edu (18.9.1.99) with Microsoft SMTP Server (TLS) id 15.0.1395.4 via Frontend Transport; Mon, 5 Oct 2020 06:45:28 -0400 Received: from MWHPR19CA0090.namprd19.prod.outlook.com (2603:10b6:320:1f::28) by BL0PR01MB4868.prod.exchangelabs.com (2603:10b6:208:30::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3433.35; Mon, 5 Oct 2020 10:45:21 +0000 Received: from CO1NAM03FT055.eop-NAM03.prod.protection.outlook.com (2603:10b6:320:1f:cafe::6a) by MWHPR19CA0090.outlook.office365.com (2603:10b6:320:1f::28) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3391.14 via Frontend Transport; Mon, 5 Oct 2020 10:45:21 +0000 Received: from mail-ej1-f44.google.com (209.85.218.44) by CO1NAM03FT055.mail.protection.outlook.com (10.152.81.162) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3433.34 via Frontend Transport; Mon, 5 Oct 2020 10:45:20 +0000 Received: by mail-ej1-f44.google.com with SMTP id u8so11212926ejg.1 for ; Mon, 05 Oct 2020 03:45:20 -0700 (PDT) Received: by 2002:ab4:a242:0:0:0:0:0 with HTTP; Mon, 5 Oct 2020 03:45:17 -0700 (PDT) From: Jason White To: Microcontroller discussion list - Public. Sender: "piclist-bounces@mit.edu" Date: Mon, 5 Oct 2020 03:45:17 -0700 Subject: Re: [EE] Using a microcontroller as a peripheral? Thread-Topic: [EE] Using a microcontroller as a peripheral? Thread-Index: AdabBjij+hSp+d8MRbWvQSULX4/KpQ== Message-ID: References: List-Help: List-Subscribe: , List-Unsubscribe: , In-Reply-To: Reply-To: Microcontroller discussion list - Public. Accept-Language: en-US X-MS-Exchange-Organization-AuthAs: Anonymous X-MS-Exchange-Organization-AuthSource: TS500.efplus4.local X-MS-Has-Attach: X-Auto-Response-Suppress: All X-MS-Exchange-Organization-SenderIdResult: Pass X-MS-Exchange-Organization-PRD: mit.edu X-MS-TNEF-Correlator: received-spf: Pass (protection.outlook.com: domain of gmail.com designates 209.85.218.44 as permitted sender) receiver=protection.outlook.com; client-ip=209.85.218.44; helo=mail-ej1-f44.google.com; dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to; bh=Zxu0ajOHM6V6wNRqDelYrFuzj/gBcitxMGlq3kKfF6c=; b=jEEA//3XbrMjB43h0SteS5aHChRZSKxLfVR11cZTiIi4RnQUZ+1s+cIS3ZGMd8OsxC oryKKc8UXLeoWyWmV4bPiFWdsc1zOAcYE0+N6buKisYFIpgoq+rTbBGShTE53DajyL+z NtF8LoKLxuIyTReRmb/GLEI21fuNDrmwOSsm7REOo2QjoiXOulHmFvZNcQVy2onrTGA2 LfaaPUGrYP2F/EOaKkQP/xbyZeV/Yhr1PoHklKg0hb9aL2VCni1vikVX+1k8LzBlCePF RcMCPtyBQBv76kp0t6N5cbV4fEu1DzQIPA5HR7WgfYuzc8I/Nhk72aKy1mFHmj+jwocW mU3A== authentication-results: spf=pass (sender IP is 209.85.218.44) smtp.mailfrom=gmail.com; mit.edu; dkim=pass (signature was verified) header.d=gmail.com; mit.edu; dmarc=pass action=none header.from=gmail.com; errors-to: piclist-bounces@mit.edu list-id: "Microcontroller discussion list - Public." list-post: x-beenthere: piclist@mit.edu x-mailman-version: 2.1.6 x-received: by 2002:a17:907:42fd:: with SMTP id oa21mr13347704ejb.247.1601894718641; Mon, 05 Oct 2020 03:45:18 -0700 (PDT) x-topics: [EE] x-content-filtered-by: Mailman/MimeDel 2.1.6 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Used a separate PIC for DSP functions doing FFT (among other things) on incoming signals and reporting the results via SPI. Just was easier to "have another core" and to split the codebase into two parts. --=20 Jason White --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .