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Elmos Semiconductor AG

Data Sheet

QM-No.: 25DS0046E.03

PRODUCTION DATA - JAN 15, 2015

Elmos Semiconductor AG reserves the right to change the detail specifications as may be required to permit improvements in the design of its products.

KNX/ EIB TRANSCEIVER

E981.03

Service Name

UART control field

Remarks / Description

followed by n bytes

Hex

Bin

7 6 5 4 3 2 1 0

U_SetAddress

0x28

0010 1000

Set KNX physical address

- individual KNX address

(high byte)

- individual KNX address

(low byte)

A15 A14 A13 A12 A11 A10 A9 A8

A7 A6 A5 A4 A3 A2 A1 A0

U_SetAlarmTelegramm

0x29

0010 1001 KNX control field which is

sent in alarm condition

F1 F0

R

1 P1 P2 0

0

frame

format

Re-

peat

flag

priority

KNX control field

U_SetTriggerTelegram

0x2A 0010 1010

KNX control field which is

reason for a event detec-

tion

F1 F0

R

1 P1 P2 0

0

KNX control field

U_SetTriggerTelegramMask

0x2B

0010 1011

KNX control field mask

make it possible to detect a

event with several combi-

nations

M7 M6 M5 M4 M3 M2 M1 M0

U_ReadReg.request

0x2E

0010 1110

read access to the E981.03

internal memories

- address (high byte)

- address (low byte)

0

0

0

0

0

0 A9 A8

A7 A6 A5 A4 A3 A2 A1 A0

U_WriteReg

0x2F

0010 1111

write access to the E981.03

internal memories

- address (high byte)

- address (low byte)

- data byte

0

0

0

0

0

0 A9 A8

A7 A6 A5 A4 A3 A2 A1 A0

D7 D6 D5 D4 D3 D2 D1 D0

U_L_DataStart

0x80

1000 0000 Begin data telegram up-

load with KNX control field

F1 F0

R

1 P1 P0 0

0

KNX control field

U_L_DataContinue

0x81

...

0xBE

10xx xxxx

Upload data byte with in-

dex x

x: index (1 ... 62)

D7 D6 D5 D4 D3 D2 D1 D0

U_L_DataEnd

0x47

...

0x7F

01xx xxxx

Upload check sum with last

index x+1

x: last index+1 (7 ... 63)

C7 C6 C5 C4 C3 C2 C1 C0

It is calculated as logical NOT XOR

function over the individual bits of

the preceding bytes of the frame.

U_PollingState

0xE0

...

0xEF

1110 xxxx

Upload polling state in to

the expecting slot x

x: slot number (0 ... 14)

- PollAddrHigh

- PollAddrLow

- State

A15 A14 A13 A12 A11 A10 A9 A8

A7 A6 A5 A4 A3 A2 A1 A0

S7 S6 S5 S4 S3 S2 S1 S0

U_L_LongDataContinue

0xC0

0xC1

1100 000x

Upload data byte with in-

dex x(bit 8 .. 0)

(1 ... 263)

x: MSB (bit 8) of index

- index x(bit 7 ... 0)

- data byte

I7

I6

I5

I4

I3

I2

I1 I0

D7 D6 D5 D4 D3 D2 D1 D0

U_L_LongDataEnd

0xD0

0xD1 1101 000x

Upload check sum with last

index x+1

(bit 8 .. 0) (1 ... 264)

x: MSB (bit 8) of index

- index x(bit 7 ... 0)

- data byte

I7

I6

I5

I4

I3

I2

I1 I0

D7 D6 D5 D4 D3 D2 D1 D0

It is calculated as logical NOT XOR

function over the individual bits of

the preceding bytes of the frame.

An U_State.indication as a result of faulty UART control field is sent to the host as soon as possible in the follow-

ing cases:

•

protocol error flag set: undefined UART control field

•

receiver error flag set: time between subsequent bytes of a service longer than the defined timeout