PEB 20542 F V1.3 Infineon Technologies, PEB 20542 F V1.3 Datasheet - Page 98

• Manufacturer Part Number: PEB 20542 F V1.3
• Description: IC CTRLR DMA SERIAL 2-CH TQFP144
• Manufacturer: Infineon Technologies
• Series: SEROCCO™r

Specifications of PEB 20542 F V1.3

• Function: Serial Optimized Communications Controller
• Interface: HDLC, PPP
• Number Of Circuits: 2
• Voltage - Supply: 3 V ~ 3.6 V
• Current - Supply: 50mA
• Power (watts): 150mW
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 144-LFQFP
• Includes: Bit Processor Functions, Serial Communication Controllers (SCCs)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: PEB20542FV1.3X; SP000007633

Figure 48
Data Sheet
data in
transmit
FIFO:
HDLC
framing:
PPP
mapping:
serial
line
received
character:
PPP
unmapping
:
data in
receive
FIFO:
Note: CRC generation/checking is assumed to be disabled in this example; according the PPP mapping/
unmapping, CRC characters are treated as 'data' characters being mapped/unmapped if necessary .
ACCM0..3: Async Control Character Map Register
7
1F
UDAC0..3: User Defined Async Control Character Map Register
7
0
1E
0
PPP Mapping/Unmapping Example
ACCM3
UDAC3
7E
7E
7Eh
H
H
...
...
7E
7E
H
H
13
13
7D
7D
0
0
H
H
7
7
H
H
33
33
13
13
15
H
H
H
H
0
ACCM2
UDAC2
14
20
20
7D
7D
0
7Eh
13
H
H
3
1
H
H
12
00
00
20
20
0
11
H
H
H
H
0
98
01
01
01
0
0
H
H
H
7
7
01
01
01
H
H
H
ACCM1
UDAC1
02
02
02
7Eh
...
H
H
H
...
Detailed Protocol Description
02
02
02
H
H
H
7E
7E
0
0
7
7
H
H
7E
7E
H
H
ACCM0
UDAC0
20h
PEB 20542
PEF 20542
2000-09-14
00
0
0
0