D12320VF25IV Datasheet, PDF(384/1304 Page) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

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D12320VF25IV Datasheet, PDF (384/1304 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

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Section 9 I/O Ports

9.2 Port 1

9.2.1 Overview

Port 1 is an 8-bit I/O port. Port 1 pins also function as PPG output pins (PO15 to PO8), TPU I/O

pins (TCLKA, TCLKB, TCLKC, TCLKD, TIOCA0, TIOCB0, TIOCC0, TIOCD0, TIOCA1,

TIOCB1, TIOCA2, and TIOCB2), and DMAC* output pins (DACK0 and DACK1). Port 1 pin

functions are the same in all operating modes. Port 1 uses Schmitt-triggered input.

Figure 9.1 shows the port 1 pin configuration.

Note: * Not supported in the H8S/2321.

Port 1

Port 1 pins

P17 (I/O) / PO15 (output) / TIOCB2 (I/O) / TCLKD (input)

P16 (I/O) / PO14 (output) / TIOCA2 (I/O)

P15 (I/O) / PO13 (output) / TIOCB1 (I/O) / TCLKC (input)

P14 (I/O) / PO12 (output) / TIOCA1 (I/O)

P13 (I/O) / PO11 (output) / TIOCD0 (I/O) / TCLKB (input)

P12 (I/O) / PO10 (output) / TIOCC0 (I/O) / TCLKA (input)

P11 (I/O) / PO9 (output) / TIOCB0 (I/O) / DACK1* (output)

P10 (I/O) / PO8 (output) / TIOCA0 (I/O) / DACK0* (output)

Note: * The DACK1 and DACK0 pin functions are not supported in the H8S/2321.

Figure 9.1 Port 1 Pin Functions

Rev.6.00 Sep. 27, 2007 Page 352 of 1268

REJ09B0220-0600

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