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AM6421...ALV 数据表(PDF) 167 Page - Texas Instruments |
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AM6421...ALV 数据表(HTML) 167 Page - Texas Instruments |
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167 / 244 page  Table 7-59. Timing Requirements for I2C HS–Mode (continued) NO. PARAMETER DESCRIPTION CAPACITANCE MIN MAX UNIT I4 tw(SCLL) Pulse duration, SCL low 100 pF Max 160 ns 400 pF Max 320 ns I5 tw(SCLH) Pulse duration, SCL high 100 pF Max 60 ns 400 pF Max 120 ns I6 tsu(SDAV-SCLH) Setup time, SDA valid before SCL high 100 pF Max 10 ns 400 pF Max 10 ns I7 th(SCLL-SDAV) Hold time, SDA valid after SCL low 100 pF Max 0 70 ns 400 pF Max 0 150 ns I13 tw(SDAH) Setup time, SCL high before SDA high (for STOP condition) 100 pF Max 160 ns 400 pF Max 160 (2) ns I14 tr(SDA) Pulse duration, spike (must be suppressed) 100 pF Max 0 10 (2) ns 400 pF Max ns I15 tskew Skew ns I16 Cb(1) Capacitive Load for SDA and SCL Lines 100 pF Max 100 pF 400 pF Max 400 pF (1) For bus line loads Cb between 100 pF and 400 pF the timing parameters must be linearly interpolated. (2) A device must internally provide a Data hold time to bridge the undefined part between VIH and VIL of the falling edge of the SCLH signal. An input circuit with a threshold as low as possible for the falling edge of the SCLH signal minimizes this hold time. I10 I8 I4 I3 I7 I12 I5 I6 I14 I2 I3 I13 Stop Start Repeated Start Stop I2C[i]_SDA I2C[i]_SCL I1 I11 I9 A. i = 0 to 1 for MCU domain i = 0 to 3 for MAIN domain Figure 7-54. I2C Receive Timing 7.10.5.10 MCAN Table 7-60 and Table 7-61 presents timing conditions and switching characteristics for MCAN. For more details about features and additional description information on the device Controller Area Network Interface, see the corresponding subsections within Signal Descriptions and Detailed Description sections. Note The device has multiple MCAN modules. MCANn is a generic prefix applied to MCAN signal names, where n represents the specific MCAN module. Table 7-60. MCAN Timing Conditions PARAMETER MIN MAX UNIT INPUT CONDITIONS www.ti.com AM6442, AM6441, AM6421, AM6412, AM6411 SPRSP56D – JANUARY 2021 – REVISED JULY 2022 Copyright © 2022 Texas Instruments Incorporated Submit Document Feedback 167 Product Folder Links: AM6442 AM6441 AM6421 AM6412 AM6411 |
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