PEB 20542 F V1.3 Infineon Technologies, PEB 20542 F V1.3 Datasheet - Page 51

• 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

The clocking concept is illustrated in a block diagram manner in the following figure:
Additional control signals are not illustrated (please refer to the detailed clock mode
descriptions below).
Figure 12
Data Sheet
Clock Supply Overview
settings controlled by:
register CCR0, bit field 'CM'
selects the clock mode number
register CCR0, bit 'SSEL'
selects the additional a/b option
TTL
Oscillator
or
CRYSTAL
3a
7a
Transmitter
0b
3b
7b
DPLL
2b
6b
f
f
DPLL
TRM
1
5a
0b
6a/b
7a/b
51
0a
2a
6a
4
5b
BRG
f
BRG
2a/b
3a/b
16:1
f
BRG/16
2a/b
3a
6a/b
7a
Receiver
3b
7b
f
RxCLK
f
REC
0a/b
1
5a/b
4
Functional Overview
f
TxCLK
PEB 20542
PEF 20542
2000-09-14