Fujitsu MB90480 user manual

User manual for the device Fujitsu MB90480

Device: Fujitsu MB90480
Size: 0,10 MB
Date of adding : 2014-08-08 17:52:20
Number of pages: 6
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Fujitsu MB90480 user manual
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Abstracts of contents
Summary of the content on the page No. 1


This errata sheet is for MB90480/485 Series Hardware Manual Rev.7 (CM44-10121-7E)

MB90480/485 Series
Page Item Description
507 24.1 "Table 24.1-1 Function of Pins" was corrected as indicated by the shading below.

Pin Function Additional information
MD2,MD1 Setting MD2=1, MD1=1, a

Summary of the content on the page No. 2

Corrections of Hardware Manual MB90480 hm90480-cm44-10121-7e-corr-x1-00 © Fujitsu Microelectronics Europe GmbH Addendum, MB90480 Hardware Manual (CM44-10121-7E) This is the Addendum for the Hardware Manual CM44-10121-7E of the MB90480 microcontroller series. It describes all known discrepancies of the MB90480 microcontroller series Hardware Manual. Ref. Number Date Version Chapter/Page Description/Correction (Internal No. ref. number) (Text Link)

Summary of the content on the page No. 3

HWM90480001 TOP Transition to standby mode The definition of Standby Cancel Failure is that the CPU will execute wrong 1 instructions when an interrupt is executed during transition to Standby mode at a certain time. 1 :Definition of Standby mode Main sleep mode, PLL sleep mode, Sub-sleep mode Time base timer mode, Watch mode, Main watch mode Main stop mode, PLL stop mode, Sub-stop mode *Main watch mode is only for MB90370 series. In the following cases, no problem oc

Summary of the content on the page No. 4

HWM90480003 TOP Chapter 3.6 Interrupt by µDMA There might be problems when using µDMA with UART or PPG. 1) Detailed of bug for uDMA transmission Fujitsu found the bug, as uDMA transmission is not operated normally for MB90480/485 series. The bug has two combinations as following. 1.uDMA and UART (Synchronization/Asynchronization) transmission 2.uDMA and PPG Also we have already checked the combination between uDMA and other resource. But there was no bug for other combina

Summary of the content on the page No. 5

2) Target devices of bug Target devices of this bug is as following. Series Devices MB90480/485series MB90F481, MB90F482, MB90V480, MB90486, MB90487, MB90487A, MB90488A, MB90F488, MB90V485 Table 2. Target devices of bug 3) Countermeasure and revising schedule For this bug, Fujitsu consider that provisional countermeasure is possible by following method. 3-1) Provisional countermeasure plan with combination between uDMA and UART (Synchronization/Asynchronization) transmi

Summary of the content on the page No. 6

3-3) Countermeasure with combination between uDMA and PPG Fujitsu consider as the restriction of specification for usage with combination between uDMA and PPG. Therefore Fujitsu doesn’t implement permanent countermeasure (hardware revision). Use the interrupt of PPG but not uDMA. hm90480-cm44-10121-7e-corr-x1-00.doc 5 / 5

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