TMP91C630F datasheet(9/202 Pages) TOSHIBA

9 / 202 page

TMP91C630

2003-07-22

91C630-7

Table 2.2.3 Pin Names and Functions (3/3)

Pin Names

Number

of Pins

I/O

Functions

BOOT

Input

This pin sets boot mode (with pull-up resistor)

NMI

Input

Non-maskable interrupt request pin: Interrupt request pin with programmable

falling edge level or with both edge levels programmable

AM0 to AM1

Input

Operation mode:

AM1

0 and AM0

1: External 16-bit bus is fixed

or external 8-/16-bit buses are mixed.

AM1

0 and AM0

0: External 8-bit bus is fixed.

RESET

Input

Reset: Initializes TMP91C630 (with pull-up resistor)

VREFH

Input

Pin for reference voltage input to AD converter (H)

VREFL

Input

Pin for reference voltage input to AD converter (L)

AVCC

I/O

Power supply pin for AD converter

AVSS

GND supply pin for AD converter

X1/X2

Oscillator connection pins

DVCC

Power supply pins

DVSS

GND pins (0 V)

EMU0

Output

Open pin

EMU1

Output

Open pin

Note 1: An external DMA controller cannot access the device’s built-in memory or built-in I/O devices using

the BUSRQ and BUSAK signals.

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