HD64F2145 datasheet(236/829 Pages) RENESAS

tên linh kiện	HD64F2145

Giải thích chi tiết về linh kiện	Hitachi 16-Bit Single-Chip Microcomputer

PDF	829 Pages

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nhà sản xuất	RENESAS [Renesas Technology Corp]

Trang chủ	http://www.renesas.com

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236 / 829 page

Rev. 2.0, 08/02, page 196 of 788

• PA2/A18/.,143/CIN10/PS2AC

The pin function is switched as shown below according to the combination of operating mode,

the KBIOE bit in KBCRH_0 of the keyboard buffer controller, the IOSE bit in SYSCR, and

the PA2DDR bit.

Operating

Mode

Modes 1, 2 (EXPE = 0), 3

Mode 2 (EXPE = 1)

KBIOE

PA2DDR

—

IOSE

—

PA2

input pin

PA2

output pin

PS2AC

output pin

PA2

input pin

A18

output pin

PA2

output pin

PS2AC

output pin

Function

.,143 input pin, CIN10 input pin, PS2AC input pin*

Note:* When the KBIOE bit is set to 1, this pin is an NMOS open-drain output, and has direct bus

drive capability. This pin can always be used as the PS2AC,

.,143, or CIN10 input pin.

• PA1/A17/.,1</CIN9

The pin function is switched as shown below according to the combination of operating mode,

the IOSE bit in SYSCR and the PA1DDR bit.

Operating

Mode

Modes 1, 2 (EXPE = 0), 3

Mode 2 (EXPE = 1)

PA1DDR

IOSE

—

PA1

input pin

PA1

output pin

PA1

input pin

A17

output pin

PA1

output pin

Pin Function

.,1< input pin, CIN9 input pin*

Note:* This pin can always be used as the

.,1< or CIN9 input pin.

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