NSAM266SAASLASHV datasheet(4/52 Pages) NSC

4 / 52 page

10 Hardware (Continued)

12 PIN ASSIGNMENT

The following sections detail the pins of the NSAM266SA

processor Slashes separate the names of signals that

share the same pin

121 PinSignal Assignment

Table 1-1 shows all the pins and the signals that use them

in different configurations It also shows the type and direc-

tion of each signal

TABLE 1-1 CompactSPEECH PinSignal Assignment

Pin Name

Type

Signal Name

A(015)

TTL

A(015)

Output

CCLK

TTL

CCLK

Output

CDIN

TTL

CDIN

Input

CDOUT

TTL

CDOUT

Output

CFS0

TTL

CFS0

Output

D(07)

TTL

D(07)

MWCS

TTL (Note A)

MWCS

Input

TST

TTL

TST

Input

MWRDY

TTL

MWRDY

MWRQST

TTL

MWRQST

MWDOUT

TTL

MWDOUT

Output

PB(02)

TTL

EA(1618)

Output

(Note B)

PB(36)

TTL

CS(03)

Output

(Note C)

EMCS

TTL1 (Note D)

EMCS

Output

ENV0

CMOS (Note E)

ENV0

Input

MWCLK

TTL

MWCLK

Input

MWDIN

TTL

MWDIN

Input

MMCLK

TTL1 (Note D)

MMCLK

Output

MMDIN

TTL

MMDIN

Input

MMDOUT

TTL1 (Note D)

MMDOUT

Output

CFS0

CMOS

CFS0

Output

RESET

Schmitt (Note A)

RESET

Input

VCC

Power

VCC

VSS

Power

VSS

XTAL

OSC

X2CLKIN

XTAL

OSC

TTL

CLKIN

Input

Note A

Schmitt trigger input

Note B

Virtual address lines for IVS ROM

Note C

Chip select lines for Serial Flash devices

Note D

TTL1 output signals provide CMOS levels in the steady

state for small loads

Note E

Input during reset CMOS level input

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