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UPD17708 Scheda tecnica(PDF) 101 Page - Renesas Technology Corp

Il numero della parte UPD17708
Spiegazioni elettronici  MOS INTEGRATED CIRCUIT
PDF  358 Pages
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Produttore elettronici  RENESAS [Renesas Technology Corp]
Homepage  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

UPD17708 Scheda tecnica(HTML) 101 Page - Renesas Technology Corp

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µPD17704, 17705, 17707, 17708, 17709
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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