PEB20571 INFINEON [Infineon Technologies AG], PEB20571 Datasheet - Page 180

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PEB20571

Manufacturer Part Number
PEB20571
Description
ICs for Communications
Manufacturer
INFINEON [Infineon Technologies AG]
Datasheet

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6.2.6.5
GRSTA Register 0
GRSTA Register 1
GRSTA Register 2
GRSTA Register 3
Reset value: 001F
RBFILL(4:0) Receive Buffer Fill
FULL
OVER
EMPTY
Preliminary Data Sheet
EMPTY
15
7
x
GHDLC Receive Channel Status Registers 0..3
Indicates to the DSP the currently available number of bytes - 1 in the
receive buffer
Receive Buffer Full
0 =
1 =
Buffer Overrun
0 =
1 =
Transmit Buffer Empty
0 =
1 =
0 =
1 =
OVER
H
14
6
x
No receive buffer full indication
Receive buffer block of the GHDLC is full. The blocks have been
switched.
No buffer overrun indication
Two consecutive full interrupts were received without a GHDLC
access to the status register in between, i.e. a buffer was missed.
No transmit buffer empty indication
The transmit buffer block currently being transmitted over the
GHDLC channel has been emptied
FSC rising edge causes a receiver interrupt only if a full interrupt
has not occurred during the previous frame
FSC rising edge causes a receiver interrupt regardless whether
or not a full interrupt occurred during the previous frame
FULL
13
5
x
12
x
4
read
read
read
read
6-40
11
x
3
RBFILL(4:0)
10
2
x
Register Description
COLLD UNDER
Address: D0C2
Address: D0C3
Address: D0C4
Address: D0C5
9
1
DELIC
2003-08
8
0
H
H
H
H

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