STLC5465B datasheet(10/101 Pages) STMICROELECTRONICS

10 / 101 page

I.2 - Pin Description (continued)

Pin N

Symbol

Type

Function

TIME DIVISION MULTIPLEXES (TDM)

DIN0

TDM0 Data Input 0

DIN1

TDM1 Data Input 1

DIN2

TDM2 Data Input 2

DIN3

TDM3 Data Input 3

DIN4

TDM4 Data Input 4

DIN5

TDM5 Data Input 5

DIN6

TDM6 Data Input 6

DIN7

TDM7 Data Input 7

DIN8

TDM8 Data Input 8

DOUT0

O8DT

TDM0 Data Output 0

DOUT1

O8DT

TDM1 Data Output 1

DOUT2

O8DT

TDM2 Data Output 2

DOUT3

O8DT

TDM3 Data Output 3

DOUT4

O8DT

TDM4 Data Output 4

DOUT5

O8DT

TDM5 Data Output 5

DOUT6

O8DT

TDM6 Data Output 6

DOUT7

O8DT

TDM7 Data Output 7

NDIS

DOUT 0/7 Not Disable. When this pin is at 0V, the Data Output 0/7 are at high

impedance. Wired at VDD if not used.

O8D

Contention Bus for CSMA/CR

Echo

BOUDARY SCAN

NTRST

Reset for boundary scan

TMS

Mode Selection for boundary scan

TDI

Input Data for boundary scan

TDO

Output Data for boundary scan

TCK

Clock for boundary scan

MICROPROCESSOR INTERFACE

MOD0

MOD1

MOD2

80C188 80C186 68000 68020 ST9

ST10m ST10Nm

NRESET

Circuit Reset

NCS0

Chip Select 0 : internal registers are selected

NCS1

Chip Select 1 : external memory is selected

INT0

Interrupt generated by HDLC, RxC/I or RxMON. Active high.

INT1

Interrupt1.This pin goes to 5V when the selected clock A (or B) has disappeared ;

250

µs after reset this pin goes to 5V also if clock A is not present.

WDO

Watch Dog Output.This pin goes to 5V during 1ms when the microprocessor has not

reset the Watch Dog during the programmable time.

Type : I1 = Input TTL ;

I2 = I1 + Pull-up ;

I3 = I1 + Hysteresis ;

I4 = I3 + Pull-up ;

O4 = Output CMOS 4mA ;

O4T = O4 + Tristate ;

O8 = Output CMOS 8mA, ”1” and ”0” at Low Impedance ;

O8D = Output CMOS 8mA, Open Drain ;

O8DT = Output CMOS 8mA, Open Drain or Tristate ;

O8T = Output CMOS 8mA, Tristate

I - PIN INFORMATION (continued)

STLC5465B

10/101

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