TP-UART-IC

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25.15.10.41.33a

25.10.01

page

18

Timing for U_PollingState-Service for a Master (9600 Baud):

Ctrl-Byte

Src-Addr

Src-Addr

PollAddr

PollAddr

Send to Bus

s 0 1 2 3 4 5 6 7 p s

s 0 1 2 3 4 5 6 7 p s

s 0 1 2 3 4 5 6 7 p s

s 0 1 2 3 4 5 6 7 p s

s 0 1 2 3 4

Ctrl-Byte

Src-Addr

Src-Addr

PollAddr

PollAddr

Receive from Bus

s 0 1 2 3 4 5 6 7 p s

s 0 1 2 3 4 5 6 7 p s

s 0 1 2 3 4 5 6 7 p s

s 0 1 2 3 4 5 6 7 p s

s 0 1 2 3 4

X2

Ctrl-Byte

Src-Addr

Src-Addr

Poll Addr

Send to Host-Con.

s 0 1 2 3 4 5 6 7 p s

s 0 1 2 3 4 5 6 7 p s

s 0 1 2 3 4 5 6 7 p s

s 0 1 2 3 4 5

PollCtrl+Slotnr

PollAddr

PollAddr

Rec. f. Host-Con.

s 0 1 2 3 4 5 6 7 p s

s 0 1 2 3 4 5 6 7 p s

s 0 1 2 3 4 5 6

PollAddr

Slotcount

Checksum

Fillbyte for Slot0

Send to Bus

5 6 7 p s

s 0 1 2 3 4 5 6 7 p s

s 0 1 2 3 4 5 6 7 p s

s 0 1 2 3 4 5 6 7 p s

s 0 1 2 3 4 5 6 7 p s

PollAddr

Slotcount

Checksum

Slot 0

Slot 1

Receive from Bus

5 6 7 p s

s 0 1 2 3 4 5 6 7 p s

s 0 1 2 3 4 5 6 7 p s

s 0 1 2 3 4 5 6 7 p s

s 0 1 2 3 4 5 6 7 p s

X2

PollAddr

PollAddr

Slotcount

Checksum

Slot 0

Send to Host-Con.

7 p s

s 0 1 2 3 4 5 6 7 p s

s 0 1 2 3 4 5 6 7 p s

s 0 1 2 3 4 5 6 7 p s

s 0 1 2 3 4 5 6 7 p s

PollAddr

Pollingstate

Rec. f. Host-Con.

7 p s

s 0 1 2 3 4 5 6 7 p s