HD64F2149YV datasheet(263/1075 Pages) RENESAS

263 / 1075 page

Section 8 I/O Ports

Rev. 3.00 Jan 18, 2006 page 235 of 1044

REJ09B0280-0300

Selection Method and Pin Functions

P60DDR

Pin function

P60 input pin

P60 output pin

P60/FTCI/TMIX/

KIN0/CIN0/

HFBACKI

FTCI input pin, HFBACKI input pin, TMIX input pin,

KIN0 input pin, CIN0 input pin

This pin is used as the FTCI input pin when an external clock is selected with

bits CKS1 and CKS0 in TCR of the FRT.

It can always be used as the TMIX,

KIN0, CIN0, or HFBACKI input pin.

8.7.4

MOS Input Pull-Up Function

Port 6 has a built-in MOS input pull-up function that can be controlled by software. This MOS

input pull-up function can be used in any operating mode, and can be specified as on or off on a

bit-by-bit basis.

When a P6DDR bit is cleared to 0, setting the corresponding KMPCR bit to 1 turns on the MOS

input pull-up for that pin. The MOS input pull-up current specification can be changed by means

of the P6PUE bit. When a pin is designated as an on-chip supporting module output pin, the MOS

input pull-up is always off.

The MOS input pull-up function is in the off state after a reset and in hardware standby mode. The

prior state is retained in software standby mode.

Table 8.14 summarizes the MOS input pull-up states.

Table 8.14

MOS Input Pull-Up States (Port 6)

Mode

Reset

Hardware

Standby Mode

Software

Standby Mode

In Other

Operations

1 to 3

Off

On/Off

Legend:

Off:

MOS input pull-up is always off.

On/Off: On when P6DDR = 0 and KMPCR = 1; otherwise off.

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