TMP91FY28 datasheet(10/60 Pages) TOSHIBA

Part #	TMP91FY28

Description	Original CMOS 16-Bit Microcontroller

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Manufacturer	TOSHIBA [Toshiba Semiconductor]

Direct Link	http://www.semicon.toshiba.co.jp/eng

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10 / 60 page

TMP91FY28

2004-02-12

91FY28-8

Under development

Table 2.2.4 Pin Names and Functions (4/4)

Pin name

Number

of Pins

I/O

Function

P94

RXD

1

I/O

Input

Port 94: Programmable as input or output

Serial receive data

P95

SCLK

CTS

1

I/O

Input

Port 95: Programmable as input or output

Serial clock input/output

Serial clear-to-send

P96

1

I/O Port96: Programmable as input or output

PA0 to PA3

INT1 to INT4

4

I/O

Input

Ports A0 to A3: Individually programmable as input or output (with internal

pull-up resistor)

Interrupt request 1 to 4: Individually programmable to be rising-edge or

falling-edge sensitive

PA4 to PA7

4

I/O Port A4 to A7: Programmable as input or output (with internal pull-up resistor)

WAKE

1

Output STOP mode monitor output

This pin drives low when the CPU is operating; the pin is in high-impedance

state during reset or in STOP mode.

ALE

1

Output Address latch enable (This pin can be disabled in order to reduce noise.)

NMI

1

Input Non maskable interrupt request: Causes an NMI interrupt on the falling edge.

Programmable to be rising-edge sensitive.

AM0 to AM1

2

Input Both AM0 and AM1 should be held at logic 1.

EMU0

1

Output Test pin. This pin should be left open.

EMU1

1

Output Test pin. This pin should be left open.

RESET

1

Input Reset (with internal pull-up resistor): Initializes the whole TMP91FY28.

VREFH

1

Input Input pin for high reference voltage for the AD converter.

VREFL

1

Input Input pin for low reference voltage for the AD converter.

AVCC

1

Power supply pin for the AD converter.

AVSS

1

Ground pin for the AD converter.

X1/X2

2

I/O Connection pins for an oscillator crystal

DVCC

DVSS

3

Power supply pins. The DVCC pins should be connected to power supply.

Ground pins. The DVSS pins should be connected to ground.

Note:

All pins that have built-in pull-up resistors (Other than the RESET pin) can be disconnected from the

built-in pull-up resistor by software.

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