PEF20525 INFINEON [Infineon Technologies AG], PEF20525 Datasheet - Page 135
PEF20525
Manufacturer Part Number
PEF20525
Description
2 Channel Serial Optimized Communication Controller for HDLC/PPP
Manufacturer
INFINEON [Infineon Technologies AG]
Datasheet
1.PEF20525.pdf
(252 pages)
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Data Sheet
Register 19
CPU Accessibility:
Reset Value:
Offset Address:
typical usage:
Register 20
CPU Accessibility:
Reset Value:
Offset Address:
typical usage:
The command register contains self-clearing command bits. The command bits read a
’1’ until the corresponding command is executed completely.
For a write access to the register, the new value gets OR’ed with the current register
contents.
The ’CEC’ bit in register
Bit
Bit
RMC
STI
7
7
Timer
CMDRL
Command Register (Low Byte)
TRES
CMDRH
Command Register (High Byte)
RNR
6
6
read/write
00
Channel A
14
written by CPU, evaluated by SEROCCO-H
read/write
00
Channel A
15
written by CPU, evaluated by SEROCCO-H
H
H
H
H
STARL/STARH
XIF
5
5
0
Channel B
64
Channel B
65
Receiver Commands
H
H
XRES
is the OR-function over all command bits.
5-135
4
4
0
Transmitter Commands
RSUC
XF
3
3
Register Description (CMDRL)
XME
2
2
0
XREP
1
1
0
PEB 20525
PEF 20525
2000-09-14
RRES
0
0
0
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