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ST7LCRDIE6/XXX 数据表(PDF) 7 Page - STMicroelectronics |
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ST7LCRDIE6/XXX 数据表(HTML) 7 Page - STMicroelectronics |
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7 / 29 page ![]() ST7LCR 7/29 2 Pin description Figure 2. 24-lead VFQFPN package pinout 4 3 5 6 7 8 11 12 13 14 15 16 17 18 19 20 21 22 2 1 23 24 910 C8 CRDRST CRDCLK C4 CRDIO USBVCC DP DM NC NC GND CRDVCC Table 2. Pin description Pin number Pin name Level Port/control Main function (after reset) Alternate function Input Output VFQFPN24 1 CDRVCC O CT X Smartcard supply pin 2 CRDRST O CT X X Smartcard reset 3 CRDCLK O CT X X Smartcard clock 4C4 O CT X X Smartcard C4 5 CRDIO I/O CT X X X Smartcard I/O 6C8 O CT X X Smartcard C8 7 CRDDET I CT X Smartcard detection 8 NC Not used(1) 9 NC Not used(1) 10 NC Not used(1) |
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