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ST70135 Folha de dados(PDF) 26 Page - STMicroelectronics |
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ST70135 Folha de dados(HTML) 26 Page - STMicroelectronics |
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26 / 29 page ![]() ST70135A 26/29 General purpose I/O register 2 general Purpose Register (0x040) Bits from 3 to 15 are reserved Reset Initialization The ST70135A supports two reset modes: – A ’hardware’ reset is activated by the RESETB pin (active low). A hard reset occurs when a low input value is detected at the RESETB input. The low level must be applied for at least 1ms to guarantee a correct reset operation. All clocks and power supplies must be stable for 200ns prior to the rising edge of the RESETB signal. – ’Soft’ reset activated by the controller write access to a soft reset configuration bit. The reset process takes less than 10000 MCLK clock cycles. 83 U_TxData_0 I 84 U_TxADDR_4 I 85 U_TxADDR_3 I 87 U_TxADDR_2 I 88 U_TxADDR_1 I 89 U_TxADDR_0 I 90 SLR_FRAME_F 92 SLR_FRAME_S 93 SLR_DATA_S_1 94 SLR_DATA_S_0 96 SLR_DATA_S 97 SLR_DATA_F_1 98 SLR_DATA_F_0 99 SLR_VAL_F 100 SLAP_CLOCK 101 SLT_FRAME_F 103 SLT_DATA_F_1 104 SLT_DATA_F_0 105 SLT_DATA_S_1 106 SLT_DATA_S_0 107 SLT_REQ_F 110 SLT_REQ_S 111 SLT_FRAME_S 112 TDI 113 TDO 114 TMS 116 TCK 118 TRSTB 119 TESTSE none 120 GP_OUT O 121 PDOWN O 123 AFRXD_0 I 124 AFRXD_1 I 125 AFRXD_2 I Table 6 : Boundary Scan Chain Sequence Sequence Number Mnemonic Pin BS Type 126 AFRXD_3 I 128 CLWD 1 I 129 MCLK 1 C 130 CTRLDATA 1 O 132 AFTXED_0 O 133 AFTXED_1 O 135 AFTXED_2 O 136 AFTXED_3 O 138 IDDq none 139 AFTXD_0 O 140 AFTXD_1 O 142 AFTXD_2 O 143 AFTXD_3 O Field Type Position Bits Length Function GP_IN R [0,1] 2 Sampled level on pins GP_IN GP_OUT RW [2] 1 Output level on pins GP_OUT Table 6 : Boundary Scan Chain Sequence Sequence Number Mnemonic Pin BS Type |
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