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TMP512 数据表(PDF) 35 Page - Texas Instruments |
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TMP512 数据表(HTML) 35 Page - Texas Instruments |
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35 / 62 page ![]() TMP512 TMP513 www.ti.com SBOS491A – JUNE 2010 – REVISED MAY 2011 Configuration Register 2 —Temperature Measurement Configuration 01h (Read/Write) BIT # D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 BIT CONT REN3 REN2 REN1 LEN RC R2 R1 R0 — — — — GP GPM1 GPM0 NAME TMP512 POR 1 0 1 1 1 1 1 1 1 0 0 0 0 X 0 0 VALUE TMP513 POR 1 1 1 1 1 1 1 1 1 0 0 0 0 X 0 0 VALUE CONT: Continuous Conversion Bit 15 0: When all bits 14 to 11 are '0', the temp sensor core goes immediately to shutdown mode. When all bits 14 to 11 are not '0', the temp sensor core stops when all enabled conversions are done. When this bit is '0', a one-shot command can be triggered by writing a "1" to bit 14 of Configuration Register 1. 1: Continuous temperature conversion mode. REN3: Remote Channel 3 Enable (TMP513 only) Bit 14 0: Remote channel 3 disabled. 1: Remote channel 3 enabled. REN2: Remote Channel 2 Enable Bit 13 0: Remote channel 2 disabled. 1: Remote channel 2 enabled. REN1: Remote Channel 1 Enable Bit 12 0: Remote channel 1 disabled. 1: Remote channel 1 enabled. LEN: Local Temperature Enable Bit 11 0: Local temperature disabled. 1: Local temperature enabled. RC: Resistance Correction Bit 10 0: Resistance correction disabled. 1: Resistance correction enabled. R2, R1, R0: Conversion Rate Bits 9-7 These bits set the conversion rate as shown in Table 7. Table 7. Conversion Rate Settings(1) R2 R1 R0 CONVERSIONS/SEC 0 0 0 0.0625 0 0 1 0.125 0 1 0 0.25 0 1 1 0.5 1 0 0 1 1 0 1 2 1 1 0 4(2) 1 1 1 8(3) (1) Shaded values are default. (2) Conversion rate shown is for only one or two enabled measurement channels. When three channels are enabled, the conversion rate is 2 and 2/3 conversions per second. When four channels are enabled, the conversion rate is 2 per second. (3) Conversion rate shown is for only one enabled measurement channel. When two channels are enabled, the conversion rate is 4 conversions per second. When three channels are enabled, the conversion rate is 2 and 2/3 conversions per second. Copyright © 2010–2011, Texas Instruments Incorporated 35 |
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