peb20560 Infineon Technologies Corporation, peb20560 Datasheet - Page 345

• Manufacturer Part Number: peb20560
• Description: Dsp Oriented Pbx Controller Doc
• Manufacturer: Infineon Technologies Corporation

Semiconductor Group
Note: The receive status byte is duplicated into the RFIFO (clock mode 0-2) following
5.1.2.13
Access: read
Reset value: xx
RHCR7…0 Receive HDLC-Control Register.
Note: RR-frames and I-frames with the first byte = AxH (PBCcommand “transmit
• Non-auto mode (1-byte address field):
• Non-auto mode (2-byte address field):
• Transparent mode 1:
• Transparent mode 0:
Note: The value in RHCR corresponds to the last received frame.
5.1.2.14
Access: write
Reset value: xx
XAD17…10 Transmit Address byte 1.
bit 7
bit 7
RHCR7
XAD17
the last byte of the corresponding frame.
prepared data”) are handled automatically and are not transferred to the CPU (no
interrupt is issued).
Receive HDLC-Control Register (RHCR)
Transmit Address Byte 1 (XAD1)
The contents of the RHCR depends on the selected operating mode.
•
I-frame compressed control field
else
RHCR6
XAD16
The value stored in XAD1 is included automatically as the address byte
(high address byte in case of 2-byte address field) of all frames transmitted
in auto mode.
Using a 2 byte address field, XAD11 and XAD10 have to be set to ‘0’.
Auto-mode (1- or 2-byte address field):
H
H
(bit 7-4: bit 7-4 of PBC-command,
bit 3-0: bit 3-0 of HDLC-control field)
HDLC-control field
RHCR5
XAD15
RHCR4
XAD14
5-102
2nd byte after flag
2nd byte after flag
3rd byte after flag
3nd byte after flag
RHCR3
XAD13
RHCR2
XAD12
Description of Registers
RHCR1
XAD11
PEB 20560
bit 0
bit 0
RHCR0
XAD10
2003-08