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CLRC663 Datasheet(PDF) 100 Page - NXP Semiconductors |
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CLRC663 Datasheet(HTML) 100 Page - NXP Semiconductors |
100 / 132 page ![]() CLRC663 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved. Product data sheet COMPANY PUBLIC Rev. 3.3 — 3 April 2012 171133 100 of 132 NXP Semiconductors CLRC663 Contactless reader IC 9.14.2 LPCD_QMax 9.14.3 LPCD_IMin 9.14.4 LPCD_Result_I Table 179. LPCD_QMax register (address 40h) Bit 7 6 5 4 3 2 1 0 Symbol LPCD_IMax.3 LPCD_IMax.2 LPCD_QMax Access rights r/w r/w r/w Table 180. LPCD_QMax bits Bit Symbol Description 7 LPCD_IMax.3 Defines the bit 3 of the high border for the LPCD. If the measurement value of the I channel is higher than LPCD IMax, a LPCD IRQ is raised 6 LPCD_IMax.2 Defines the bit 2 of the high border for the LPCD. If the measurement value of the I channel is higher than LPCD IMax, a LPCD IRQ is raised 5 to 0 LPCD_QMax Defines the high border for the LPCD. If the measurement value of the Q channel is higher than LPCD QMax, a LPCD IRQ is raised Table 181. LPCD_IMin register (address 41h) Bit 7 6 5 4 3 2 1 0 Symbol LPCD_IMax.1 LPCD_IMax.0 LPCD_IMin Access rights r/w r/w r/w Table 182. LPCD_IMin bits Bit Symbol Description 7 to 6 LPCD_IMax Defines lowest two bits of the higher border for the low-power card detection (LPCD). If the measurement value of the I channel is higher than LPCD IMax, a LPCD IRQ is raised. 5 to 0 LPCD_IMin Defines the lower border for the ow power card detection. If the measurement value of the I channel is lower than LPCD IMin, a LPCD IRQ is raised. Table 183. LPCD_Result_I register (address 42h) Bit 7 6 5 4 3 2 1 0 Symbol RFU- RFU- LPCD_Result_I Access rights -- r Table 184. LPCD_I_Result bits Bit Symbol Description 7 to 6 RFU - 5 to 0 LPCD_Result_I Shows the result of the last low-power card detection (I-Channel) |
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