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AT83C5123XXX-PURUM Datasheet(PDF) 11 Page - ATMEL Corporation |
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AT83C5123XXX-PURUM Datasheet(HTML) 11 Page - ATMEL Corporation |
11 / 208 page 11 AT83R5122, AT8xC5122/23 4202F–SCR–07/2008 Pin Description Table 2. Pin Description Port Internal Power Supply ESD I/O Reset Level Alt Reset Config Conf 1 Conf 2 Conf 3 Led P0.0 30 - 41 - 30 - VCC 2KV I/O Float AD0 P0 KB_OUT Push-pull P0.1 29 - 40 - 29 - VCC 2KV I/O Float AD1 P0 KB_OUT Push-pull P0.2 28 - 39 - 28 - VCC 2KV I/O Float AD2 P0 KB_OUT Push-pull P0.3 27 - 38 - 27 - VCC 2KV I/O Float AD3 P0 KB_OUT Push-pull P0.4 25 - 36 - 25 - VCC 2KV I/O Float AD4 P0 KB_OUT Push-pull P0.5 24 - 35 - 24 - VCC 2KV I/O Float AD5 P0 KB_OUT Push-pull P0.6 23 - 34 - 23 - VCC 2KV I/O Float AD6 P0 KB_OUT Push-pull P0.7 22 - 33 - 22 - VCC 2KV I/O Float AD7 P0 KB_OUT Push-pull CIO 6432 9 4 6432 CVCC 6KV I/O 0 Port51 CVCC inactive at reset. ESD tested with a 10μF on CVCC An external pull-up of 10K is recommended to support ICC’s with too weak internal pull-ups. CC4 3 3 12 7 3 3 CVCC 6KV I/O 0 Port51 CVCC inactive at reset ESD tested with a 10μF on CVCC P1.2 2 2 11 6 2 2 VCC 2KV I/O 1 CPRES Port51 Weak & medium pull-up can be disconnected CC4 9 5 18 9 9 5 CVCC 6KV I/O 0 Port51 CVCC inactive at reset ESD tested with a 10μF on CVCC CCLK 12 6 21 10 12 6 CVCC 6KV O 0 Push-pull CVCC inactive at reset ESD tested with a 10μF on CVCC CRST 6 4 15 8 6 4 CVCC 6KV O 0 Push-pull CVCC inactive at reset ESD tested with a 10μF on CVCC P1.6 47 23 58 - 47 23 VCC 2KV I/O 1 SS Port51 P1.7 62 31 7 - 62 31 VCC 2KV I/O 1 CCLK1 Port51 P2.0 58 - 3 - 58 - VCC 2KV I/O 1 A8 Port51 Push-pull KB_OUT Input WPU P2.1 57 - 2 - 57 - VCC 2KV I/O 1 A9 Port51 Push-pull KB_OUT Input WPU P2.2 56 - 1 - 56 - VCC 2KV I/O 1 A10 Port51 Push-pull KB_OUT Input WPU P2.3 52 - 65 - 52 - VCC 2KV I/O 1 A11 Port51 Push-pull KB_OUT Input WPU P2.4 51 - 64 - 51 - VCC 2KV I/O 1 A12 Port51 Push-pull KB_OUT Input WPU P2.5 50 - 63 - 50 - VCC 2KV I/O 1 A13 Port51 Push-pull KB_OUT Input WPU |
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