TNETEL1200

EtherLoop

™ MODEM

SPHS003D – FEBRUARY 1999 – REVISED JUNE 1999

9

POST OFFICE BOX 655303

Terminal Functions (Continued)

design for test

TERMINAL

I/O†

DESCRIPTION

NAME

NO.

I/O†

DESCRIPTION

TDI

47

I

Test data input

TDO

52

O

Test data output

TCLK

41

I

Test clock

TMS

48

I

Test mode select

TRIN

49

I

Asynchronous output pad 3-state (active low)

TRSTN

50

I

Asynchronous TAP reset (active low)

† I = input, O = output

power supply

TERMINAL

DESCRIPTION

NAME

NO.

DESCRIPTION

GND

4, 10, 16, 22, 29, 39, 43, 46, 53, 59, 65, 71, 83, 89, 95, 101, 112, 123,

133, 140, 150, 156, 158, 167, 170, 180, 187, 193, 197, 203, 208

Digital supply return

VCC

1, 7, 13, 19, 25, 34, 40, 44, 51, 56, 62, 68, 74, 80, 86, 92, 98, 104, 106,

117, 128, 135, 145, 152, 157, 163, 169, 175, 182, 192, 195, 199, 205

3.3-V core and I/O power