STLC5465B datasheet(98/101 Pages) STMICROELECTRONICS

98 / 101 page

: This bit defines one of two GCI y (DIN4/DOUT4 or DIN5/DOUT5).

G0 = 0, GCI0 (DIN4/DOUT4) is the source.

G0 = 1, GCI1 (DIN5/DOUT5) is the source.

A2/0

: GCI Channel 0 to 7 belonging to GCI 0 or GCI 1.

C6/1

: New Primitive received twice consecutively. Case of S0=S1=0.

A, E, S1/S4 bits received twice consecutively. Case of S0 = 1 S1 = 0.

Bit0/5 are not Significant when S0 = 0, S1 = 1.

IX.5.2 - Receive Command / Indicate Interrupt when TSV = 1

Time Stamping validated (bit of GCR Register)

bit15

bit8

bit7

bit 0

C6/A

C5/E C4/S1 C3/S2 C2/S3 C1/S4

T15

T14

T13

T12

T11

T10

T8T7T6

T5T4

T3T2T1

These two words are located in the Command/Indicate interrupt queue.

First word see definition above.

T0/15: binary counter value when a new primitive is occured.

IX.6 - Receive Monitor Interrupt

IX.6.1 - Receive Monitor Interrupt when TSV = 0

TSV : Time Stamping not Validated (bit of GCR Register)

bit15

bit8

bit7

bit 0

ODD

M18

M17

M16

M15

M14

M13

M12

M11

These two words are transferred into the Monitor interrupt queue ; IQSR Register indicates the size of this

interrupt queue located in the external memory.

: New Status.

Before writing the features of event in the external memory the Interrupt Controller reads the

NS bit :

if NS = 0, the Interrupt Controller stores two new bytes M1/8 and M11/18 then puts NS bit at ‘1’

when it writes the status of these two bytes which has been received.

if NS = 1, the Interrupt Controller puts ICOV bit at ‘1’ to generate an interrupt (IR Register).

: G0 = 0, GCI 0 corresponding to DIN4 input and DOUT4 output.

G0 = 1, GCI 1 corresponding to DIN5 input and DOUT5 output.

: Last byte

L=1, two cases:

if ODD = 1, the following word of the Interrupt Queue contains the Last byte of message

if ODD =0, the previous word of the Interrupt Queue (concerning this channel) contains the Last

byte of message.

L = 0, the following word and the previous word does not contains the Last byte of message.

: First byte

F=1, the following word contains the First byte of message.

F=0, the following word does not contain the First byte of message.

: Abort

A=1, Received message has been aborted.

IX - EXTERNAL REGISTERS (continued)

STLC5465B

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