Cypress CY8CTST120 manual

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Table of contents for the manual

  • Page 1

    CY8CTST120, CY8CTMG1 20, CY8CTMA120 September 25, 2008 Document No. 001- 49038 Rev. ** 1 September 2008 Silicon Errata for CY8CTST1 20, CY8CTMG12 0, and CY8CTMA120 This document describes the errata for the TrueTou ch ™ devices CY8CTST120, CY8CTMA120, and CY8CTMG120. Details include errata trigger conditions, scope of impact, available workaround[...]

  • Page 2

    CY8CTST120, CY8CTMG1 20, CY8CTMA120 September 25, 2008 Document No. 001- 49038 Rev. ** 2 1. Internal Main Oscillator (IM O) tolerance deviation at temp erature extremes.  PROBLEM DEFINITION Asynchronous di gital communicat ion interfaces may fail framing b eyond 0 to 70°C. Thi s problem does not affect end product usage b etween 0 and 70°C. ?[...]

  • Page 3

    CY8CTST120, CY8CTMG1 20, CY8CTMA120 September 25, 2008 Document No. 001- 49038 Rev. ** 3 3. Invalid Flash reads may occur if Vdd is pull ed to -0.5V just before po wer on.  PROBLEM DEFINITION When Vdd of the device is pulled b elow ground just before power o n, the first read from each 8 K Flash page may be corrupted. Th is issue does not affect[...]

  • Page 4

    CY8CTST120, CY8CTMG1 20, CY8CTMA120 September 25, 2008 Document No. 001- 49038 Rev. ** 4 and A, 0xf8 ;clear the clock bits (briefly chg the cpu_clk to 3Mhz) or A, 0x02 ;will set clk to 12Mhz mov reg[OSC_CR0],A ;clk is now set at 12Mhz M8C_SetBank0 .loop: mov A, reg[PMA0_DR] ; Get the data from the PMA space mov [X], A ; save it in data array inc X [...]

  • Page 5

    CY8CTST120, CY8CTMG1 20, CY8CTMA120 September 25, 2008 Document No. 001- 49038 Rev. ** 5 Document History Document Title: Silicon Errata for CY8CTST120, CY8CTMG120 , and CY8CTMA120 Document Number: 001-49038 Revision ECN Submission Date Orig. of Change Description of Change ** 2572224 09/25/08 KRY New errata for Touchscreen devic e. PSoC is a regis[...]