User Manual

1.2 Block diag
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1.3 Interface and pin definition
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No.
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Pin name Type description
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1 to 8
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NC / No use
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9
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DC I Debug clock
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10
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DD O Debug data
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11
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SLEEP_OUT/P3_0 O Wakeup out
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12
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VDD Power Power in
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13
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GND Power ground
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14
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Reset RSTN Reset in
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15
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Wake/P0_3 I Wake up input
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16
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UART_RXD0 I Uart in, baud rate is
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115200
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17
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UART_TXD0 O Uart out, baud rate is
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115200
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18
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nCS1/CTSn1/P1_2 I/O Reserved
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19
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CLK1/RTSn1/P1_3 I/O Reserved
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20
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MOSI1/TXD1/P1_1 I/O Reserved
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21
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MISO1/RXD1/P1_0 I/O Reserved
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22
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CD O Module detect pin