TMP93CS41 datasheet(63/248 Pages) TOSHIBA

部件名	TMP93CS41

功能描述	CMOS 16-Bit Microcontroller

PDF	248 Pages

Scroll/Zoom	100%

制造商	TOSHIBA [Toshiba Semiconductor]

网页	http://www.semicon.toshiba.co.jp/eng

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63 / 248 page

TMP93CS40/TMP93CS41

2004-02-10

93CS40-61

3.5.3

Port 2 (P20 to P27)

Port 2 is an 8-bit general-purpose I/O port. I/O can be set on a bit basis using the control

control register P2CR and function register P2FC to “0”. It also sets port 2 to input mode

and connects a pull-down resistor.

In addition to functioning as a general-purpose I/O port, port 2 also functions as an

address bus (A0 to A7) or (A16 to A23). To use port 2 as an address bus, write 1 to the

output latches to turn off the programmable pull-down resistors.

Figure 3.5.5 Port 2

Port 2

P20 to P27

(A0 to A7 or A16 to A23)

Direction control

(on bit basis)

Reset

P2CR write

Output

latch

P2 write

Output buffer

P2 read

Selector

Function control

(on bit basis)

P2FC write

Selector

A16 to A23

A0 to A7

N-ch

Programmable

pull down

TMP93CS41 数据表(PDF) 63 Page - Toshiba Semiconductor

TMP93CS41 数据表(HTML) 63 Page - Toshiba Semiconductor

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