DS26518GNB1+ Maxim Integrated Products, DS26518GNB1+ Datasheet - Page 82

• Manufacturer Part Number: DS26518GNB1+
• Description: IC TXRX T1/E1/J1 8PRT 256-CSBGA
• Manufacturer: Maxim Integrated Products
• Type: Transceiverr

Specifications of DS26518GNB1+

• Number Of Drivers/receivers: 8/8
• Protocol: T1/E1/J1
• Voltage - Supply: 3.135 V ~ 3.465 V
• Mounting Type: Surface Mount
• Package / Case: 256-CSBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

9.10.3.3
The HDLC-256 status registers in the DS26518 allow for flexible software interface to meet the user’s preferences.
When receiving HDLC-256 messages, the host can choose to be interrupt driven or to poll to desired status
registers, or a combination of polling and interrupt processes can be used.
for using the DS26518 HDLC-256 receiver.
Figure 9-19. Receive HDLC-256 Message Example
Receive HDLC-256 Example
Read RH256FDR1, 2;
Read RH256FDR1, 2;
HDLC-256 Controller
(RH256CR1.RFRST)
Configure Receive
(RHDAIE, RPEIE)
Enable Interrupts
Read RH256SRL
(RH256CR1,2)
N = 8xRDAL -1
INTB Active?
RHDAL Set?
Reset FIFO
N = N -1
N = 0 ?
YES
YES
NO
NO
NO
YES
Read RH256FDR1,2
until end of packet
exit
RPE Set?
reached
exit
82 of 312
NO
exit
Figure 9-19
shows an example routine