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ST70135 Folha de dados(PDF) 25 Page - STMicroelectronics |
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ST70135 Folha de dados(HTML) 25 Page - STMicroelectronics |
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25 / 29 page ![]() ST70135A 25/29 Tests, Clock, JTAG Interface – Mclk: Master Clock (35.328MHz) generated by VCXO – ATM receive interface, asynchronous clock gen- erated by Utopia Master – ATM transmit interface, asynchronous clock generated by Utopia Master – ATC clock (Pclk): external asynchronous clock (synchronous with ATC in case of i960 specific interface) JTAG TP interface: Standard Test Access Port, Used with the boundary scan for chip and board testing. This JTAG TAP interface consists in 5 signals: TDI, TDO, TCK & TMS. TSRTB: Test Reset, reset the TAP controller. TRSTB is an active low signal. Table 6 : Boundary Scan Chain Sequence Sequence Number Mnemonic Pin BS Type 2 AD_0 B 3 AD_1 B 4 AD_2 B 6 AD_3 B 7 AD_4 B 9 AD_5 B 10 AD_6 B 12 AD_7 B 13 AD_8 B 14 AD_9 B 16 AD_10 B 17 AD_11 B 19 AD_12 B 21 PCLK I 23 AD_13 B 24 AD_14 B 25 AD_15 B 27 BE1 I 28 ALE C 30 CSB I 31 WR_RDB I 32 RDYB O 33 OBC_TYPE I 34 INTB O 35 RESETB I 38 U_RxData_0 B 39 U_RxData_1 B 41 U_RxData_2 B 42 U_RxData_3 B 44 U_RxData_4 B 45 U_RxData_5 B 46 VSS 47 U_RxData_6 B 48 U_RxData_7 B 50 U_RxADDR_0 I 51 U_RxADDR_1 I 52 U_RxADDR_2 I 53 U_RxADDR_3 I 55 U_RxADDR_4 I 56 GP_IN_0 i 58 GP_IN_1 I 60 U_RxRefB O 61 U_TxRefB I 63 U_RxCLK 64 U_RxSOC 65 U_RxCLAV 66 U_RxENBB 68 U_TxCLK 69 U_TxSOC 70 U_TxCLAV 71 U_TxENBB 74 U_TxData_7 I 75 U_TxData_6 I 77 U_TxData_5 I 78 U_TxData_4 I 79 U_TxData_3 I 80 U_TxData_2 I 82 U_TxData_1 I Table 6 : Boundary Scan Chain Sequence Sequence Number Mnemonic Pin BS Type |
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