Datasheet

____________________________________________________ DS34T101, DS34T102, DS34T104, DS34T108
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Figure 10-66. Receive HDLC Servicing Example
Start Ne
w
Message Buffe
r
Reset Receive
HDLC Controlle
r
(RHC.RHR)
Configure Receive
HDLC Controlle
r
(RHC, RHBSE, RHFC)
Start Ne
w
Message Buffe
r
Enable Interrupts
RPE and RHWM
Start Ne
w
Message Buffe
r
Interrupt?
Read Registe
r
RHPBA
Read N Bytes From
Rx HDLC FIFO (RHF)
(
N = RHPBA
[
5:0
])
RHPBA.MS = 1?
NO
YES
NO
YES
Read RRTS5 fo
r
Packet Status, PS[2:0]
Take appropriate action
No Action Required
Work Another Process.
Read N Bytes From
Rx HDLC FIFO (RHF)
N = RHPBA[5:0]
Start Ne
w
Message Buffe
r