PEF 20532 F V1.3 Infineon Technologies, PEF 20532 F V1.3 Datasheet - Page 249

• Manufacturer Part Number: PEF 20532 F V1.3
• Description: IC COMM CTRLR 2CH SER TQFP-100
• Manufacturer: Infineon Technologies

Specifications of PEF 20532 F V1.3

• Function: Serial Optimized Communications Controller
• Interface: ASYNC, BISYNC, HDLC, PPP
• Number Of Circuits: 2
• Voltage - Supply: 3 V ~ 3.6 V
• Current - Supply: 50mA
• Power (watts): 150mW
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 100-LFQFP
• Includes: Automatic Flag Detection and Transmission, Baud Rate Generator, On-Chip Clock Generation, Receive Line Status Detection
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: PEF20532FV1.3X; PEF20532FV13XP; SP000007511

1) A receive threshold of 32 bytes is the default for HDLC/PPP mode. It can be programmed with bit field
2) The number of bytes stored in RFIFO can be determined by evaluating the lower bits in register
Figure 57
Data Sheet
RFTH(1:0) in register CCR3H.
(depending on the selected receive threshold RFTH(1:0)).
Interrupt Driven Data Reception (Flow Diagram)
bytes from RFIFO
Interrupt
'RPF'
Read
[32]
1)
Activate Receiver
(CMDRH.RRES)
Release RFIFO
(CMDRH.RMC)
Reset Receiver
(CCR3L.RAC)
INTERRUPT
WAIT FOR
START
249
bytes from RFIFO
(Rc Byte Count)
Read registers
RBCL, RBCH
[RBCL % 32]
'RME'/'TCD'
Interrupt
Read
1), 2)
Action taken
by CPU
Interrupt
indication to CPU
Programming
PEB 20532
PEF 20532
2000-09-14
RBCL