PXB4330 Datasheet, PDF (32/201 Pages) Infineon Technologies AG – ICs for Communications

PXB 4330
Table 2-1
Pin No.
Pin Definitions and Functions (cont’d)
Symbol
Input (I) Function
Output (O)
Pin Descriptions
Utopia Interface Transmit Upstream Slave (30 pins)
G2, H3, G1, TXDATU O
H2, J3, K4, (15:0)
H1, J2, K3,
J1, L4, K2, L3,
K1, L2, M4
M2, M1, N3, TXADRU I
N2 ²⁾
(3:0)
L1
TXPRTYU O
P2, P3, P4, TXENBU I
R1 ¹⁾
(3:0)
F2, G3, H4, TXCLAVU O
F1
(3:0)
M3
TXSOCU O
Transmit Data Bus to ATM side.
Address Bus from ATM side.
Odd Parity of RXDATU(15:0) to ATM side.
Enable signal from ATM side.
Cell Available signal to ATM side.
Start of Cell signal to ATM side.
Microprocessor Interface (30 pins)
AF3, AE4, MPDAT
I/O
AD5, AC6, (15:0)
AF4, AE5,
AD6, AC7,
AF5, AE6,
AD7, AC8,
AF6, AE7,
AD8, AF7
AE8, AD9, MPADR I
AC10, AF8, (7:0)
AE9, AD10,
AF9, AC11
AD4
MPWR
I
AC5
MPRD
I
AD1
MPCS
I
Microprocessor Data Bus
Address Bus from Microprocessor
WR when MPMOD=0 (Intel Mode)
R/W when MPMOD=1 (Motorola Mode).
RD when MPMOD=0 (Intel Mode)
DS when MPMOD=1 (Motorola Mode).
Chip Select from Microprocessor.
Data Sheet
2-32
09.99