HD64570F16 Renesas Electronics America, HD64570F16 Datasheet - Page 351
HD64570F16
Manufacturer Part Number
HD64570F16
Description
IC SCA SRL COMM ADAPTER 88QFP
Manufacturer
Renesas Electronics America
Datasheet
1.HD64570F16.pdf
(469 pages)
Specifications of HD64570F16
Applications
ISDN
Interface
Serial
Voltage - Supply
4.75 V ~ 5.25 V
Package / Case
88-QFP
Mounting Type
Surface Mount
Operating Supply Voltage (typ)
5V
Operating Supply Voltage (min)
4.5V
Operating Supply Voltage (max)
5.5V
Operating Temp Range
-20C to 75C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD64570F16
Manufacturer:
Renesas Electronics America
Quantity:
10 000
Part Number:
HD64570F16
Manufacturer:
HITACHI/日立
Quantity:
20 000
Company:
Part Number:
HD64570F16V
Manufacturer:
INFINEON
Quantity:
12 000
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Transmission Processing Routine: An example of a transmission processing routine is given in
figure 9.5.
9.1.5
Initialization: An example of an initialization program is given below.
CMD fl 21H........................................ Resets channel.
MD0
MD1
MD2
CTL
RRC
RXS
IE0
IE1
fl 87H........................................ Specifies bit synchronous HDLC mode.
fl 40H........................................ Specifies single address 1.
fl 00H........................................ Specifies the NRZ code.
fl 01H........................................ Specifies FCS no-load.
fl 00H........................................ RXRDY = 1 when the receive buffer is not empty.
fl 00H........................................ Specifies RXC line input for the receive clock.
fl 40H........................................ Enables RXINT interrupts.
fl 03H........................................ Enables abort detection interrupts.
Reception in DMA Chained-Block Transfer Mode (Bit Synchronous HDLC Mode)
Figure 9.5 TXINT Interrupt Processing Routine (using HD64180)
Note: An interrupt is also generated when the DMAC
Process interrupt, reset ST1
Analyze interrupt source
completes the transmission of a frame.
Issue EI instruction
Read ST1
Return
Start
Specifies CRC-CCITT mode, and presets to all 1s.
Specifies full-duplex mode.
Underrun error
ST1: Status register 1
Rev. 0, 07/98, page 335 of 453
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