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XC161 Datasheet, PDF (229/419 Pages) Infineon Technologies AG – 16-Bit Single-Chip Microcontroller with C166SV2 Core Volume 2 (of 2): Peripheral Units
XC161 Derivatives
Peripheral Units (Vol. 2 of 2)
IIC-Bus Module
IIC_RTBH
Receive/Transmit Buffer High XSFR (E60AH/--)
Reset Value: 0000H
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
RTB3
rwh
RTB2
rwh
IIC_RTBL
Receive/Transmit Buffer Low XSFR (E608H/--)
Reset Value: 0000H
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
RTB1
rwh
RTB0
rwh
Field
RTBx
(x = 3 … 0)
Bits Type
[31:24], rwh
[23:16],
[15:8],
[7:0]
Description
Receive/Transmit Buffer Bytes
The buffers contain the data to be sent or which have
been received. The buffer size can be selected via
bitfield CI, from 1 up to 4 bytes. The contents of RTB0
are sent/received first.
Note: If bit INT is set to zero and all bytes (specified in CI) of RTB0 … 3 are read/written
(dependent on bit TRX), IRQD will be cleared by hardware after completion of this
access (this supports PEC operation).
User’s Manual
IIC_X, V2.0
20-11
V2.2, 2004-01