PEB20571 INFINEON [Infineon Technologies AG], PEB20571 Datasheet - Page 48

• Manufacturer Part Number: PEB20571
• Description: ICs for Communications
• Manufacturer: INFINEON [Infineon Technologies AG]

Table 2-14
Pin
No.
77
74
82
81
Preliminary Data Sheet
Symbol In (I)
TSC0 /
LTSC2/
LRTS2
RxD2 /
LCxD2/
LCTS2
TxD2 /
LCLK2
TSC2
PCM Interface Ports 0 ... 3 / LNC Ports 2 ... 3 (DELIC-PB) (Continued)
Out (O)
O
O
I
I
O
I/O
O
During
Reset
Reset
Counter
Bypass”
strap
Internal
pull-up
refer to
page 2-
28
I
weak
low
TEST(1)
strap
refer to
page 2-
28
After
Reset
H
I
weak
low
H
2-21
Function
PCM Tristate Control Port 0
Supplies a control signal for an external
driver (’low’ when the corresponding TxD-
output is valid).
LNC2 Tristate Control / Request To Send
2 modes per S/W selectable:
1) TxD output is valid (HDLC mode).
Supplies a control signal for an external
driver. (’low’ when the corresponding TxD-
output is valid).
2) ’request-to-send’ functionality
(Async mode)
PCM Receive Data Port 2
LNC2 Collision Data
2 modes per S/W selectable:
1) Collision Data (In HDLC Mode).
2) ’clear-to-send’ functionality
(Async mode)
PCM Transmit Data Port 2
LNC External Clock Port 2
When configured as output may be driven
at the following frequencies:
2.048 MHz, 4.096 MHz,
8.192 MHz, 16.384 MHz
PCM Tristate Control Port 2
Supplies a control signal for an external
driver (’low’ when the corresponding TxD-
output is valid).
Pin Descriptions
PEB 20571
DELIC
2003-08