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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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UPD360 датащи(PDF) 133 Page - Microchip Technology |
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UPD360 датащи(HTML) 133 Page - Microchip Technology |
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133 / 221 page  2016-2017 Microchip Technology Inc. DS00002084C-page 133 UPD360 11.4.1.4 TX Packet Length Register (TX_PKT_LEN) 11.4.1.5 TX Parameters Register A (TX_PARAM_A) Address: 1A03h Size: 8 bits Bits Description Type Default 7:6 RESERVED RO - 5:0 PKT_LEN Queued packet length in bytes. Hardware uses this value in Auto Mode to determine when to insert the CRC. PKT_LEN = bytes in header + bytes in data objects Note: This applies to Auto Mode queue only and not to Raw Mode queue. Raw Mode queue has special code to insert CRC and terminate the transmission. Note: A value of '0' is invalid for this field. R/W 000000b Address: 1A04h Size: 8 bits Bits Description Type Default 7 EXPECT_GOODCRC This bit is used when the N_RETRY_CNT field in the TX Parameters Register C (TX_PARAM_C) is set to zero but hardware is expected to wait for Good- CRC in response to a TX message. If N_RETRY_CNT is non-zero and EN_AUTO_RSP_MODE in the TX Control Register A (TX_CTL_A) is set, then hardware automatically waits for Good- CRC and this bit has no effect. R/W 0b 6:4 TX_SOP_SELECT This field selects the SOP used for normal TX packets, for Returned BIST Counters packets (in response to RX BIST Test Frames) and for TX BIST Test Frames. This value is also used to verify the expected SOP type in the GoodCRC response when Auto retry is enabled. 000: SOP 001: SOP' 010: SOP'' 011: SOP'_Debug 100: SOP''_Debug 101 - 111: Reserved Note: For Auto retry mode, it is assumed that the expected SOP type is also enabled in the RX Control Register B (RX_CTL_B). R/W 000b |
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