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UPD17708 データシート(PDF) 101 Page - Renesas Technology Corp

部品番号 UPD17708
部品情報  MOS INTEGRATED CIRCUIT
PDF  358 Pages
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メーカー  RENESAS [Renesas Technology Corp]
ホームページ  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

UPD17708 データシート(HTML) 101 Page - Renesas Technology Corp

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11.2 General-Purpose I/O Port (P0A, P0B, P0C, P1D, P2A, P2B, P2C, P2D, P3A, P3B, P3C, P3D)
11.2.1 Configuration of I/O port
The following paragraphs (1) and (2) show the configuration of the I/O ports.
(1) P0A (P0A1, P0A0)
P0B (P0B3, P0B2, P0B1, P0B0)
P0C (P0C3, P0C2, P0C1, P0C0)
P1D (P1D3, P1D2, P1D1, P1D0)
P2A (P2A2, P2A1, P2A0)
P2B (P2B3, P2B2, P2B1, P2B0)
P2C (P2C3, P2C2, P2C1, P2C0)
P2D (P2D2, P2D1, P2D0)
P3A (P3A3, P3A2, P3A1, P3A0)
P3B (P3B3, P3B2, P3B1, P3B0)
P3C (P3C3, P3C2, P3C1, P3C0)
P3D (P3D3, P3D2, P3D1, P3D0)
Note
This is an internal signal that is output when the clock stop instruction is executed, and this circuit
is designed not to increase the current consumption due to noise even if it is floated.
VDD
VDD
I/O selection flag
Output latch
1
0
Read instruction
Port register
(1 bit)
Write instruction
CKSTOP Note



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