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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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CS4210 датащи(PDF) 97 Page - National Semiconductor (TI) |
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CS4210 датащи(HTML) 97 Page - National Semiconductor (TI) |
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97 / 102 page  Revision 1.0 97 www.national.com 5.0 Electrical Specifications This section provides information on NAND tree test mode, absolute maximum ratings, recommended operating condi- tions, and DC/AC characteristics for the Geode CS4210. 5.1 NAND TREE TEST MODE The NAND tree test mode is used to test input and bidirec- tional pins which are part of the NAND tree chain. After power is applied to the CS4210, pin 7 (TESTO) is the out- put of the NAND tree. To test the NAND tree, all inputs in Table 5-1 are held low and then a high is successively applied to the inputs in the order listed in Table 5-1. The TESTO output will toggle on each input change as shown in Figure 5-1. The TESTO pin will continue to output the result of the NAND tree during normal operation. If this is undesirable, nscControl.testOutSel (BAR1+Offset 00h[19]) can be set and TESTO will reflect the BIST output which does not tog- gle during normal operation. The nscControl register is loaded via the serial EEPROM upon power up, so nscCon- trol.testOutSel can be set as the default if desired. Table 5-1. NAND Tree Test Mode Pins Signal Name Pin No. LNKON 98 SCLK 95 CTL0 93 CTL1 92 DATA0 90 DATA1 89 DATA2 88 DATA3 86 DATA4 85 DATA5 84 DATA6 82 DATA7 81 DIRECT 79 CCLKI 78 TESTEN# 76 AD0 74 AD1 73 AD2 72 AD3 71 AD4 69 AD5 68 AD6 67 AD7 66 C/BE0# 65 AD8 64 AD9 62 AD10 61 AD11 59 AD12 58 AD13 57 AD14 56 AD15 54 C/BE1# 53 PAR 52 Signal Name Pin No. SERR# 51 PERR# 49 STOP# 48 DEVSEL# 47 TRDY# 45 IRDY# 44 FRAME# 43 C/BE2# 41 AD16 40 AD17 38 AD18 37 AD19 36 AD20 34 AD21 33 AD22 32 AD23 31 IDSEL 29 Signal Name Pin No. C/BE3# 28 AD24 27 AD25 26 AD26 25 AD27 23 AD28 22 AD29 21 AD30 19 AD31 18 PME# 17 PGNT# 14 PCLK 12 RST# 10 EEDATA 5 EECLK 4 Signal Name Pin No. Figure 5-1. NAND Tree Output Waveform TESTO LNKON SCLK CTL0 CTL1 DATA0 100 ns ::: ::: ::: EECLK Note: The following pins are not in the NAND tree: CMC, CMCL, INTA#, PREQ#, CCLKO, LREQ, LPS, and all supplies. |
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