H8S2245 datasheet(304/818 Pages) RENESAS

304 / 818 page

Section 8 I/O Ports

Rev.3.00 Mar. 26, 2007 Page 262 of 772

REJ09B0355-0300

Port D MOS Pull-Up Control Register (PDPCR)

PD7PCR

R/W

PD6PCR

R/W

PD5PCR

R/W

PD4PCR

R/W

PD3PCR

R/W

PD0PCR

R/W

PD2PCR

R/W

PD1PCR

R/W

Bit

Initial value

R/W

PDPCR is an 8-bit readable/writable register that controls the MOS input pull-up function

incorporated into port D on an individual bit basis.

When a PDDDR bit is cleared to 0 (input port setting) in mode 3 or 7, setting the corresponding

PDPCR bit to 1 turns on the MOS input pull-up for the corresponding pin.

PDPCR is initialized to H'00 by a power-on reset, and in hardware standby mode. It retains its

prior state after a manual reset, and in software standby mode.

8.10.3

Pin Functions

Modes 1, 2, 4, 5, and 6

In modes 1, 2, 4, 5, and 6, port D pins are automatically designated as data I/O pins.

Note:

Modes 2 and 6 cannot be used in the H8S/2240.

Port D pin functions in modes 1, 2, 4, 5, and 6 are shown in figure 8.19.

D15

D14

D13

D12

D11

D10

Port D

(I/O)

Figure 8.19 Port D Pin Functions (Modes 1, 2, 4, 5, and 6)

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