Transmission Function; Work Ram Usage - NEC uPD98502 User Manual

4.8.2 Transmission function

V 4120A sets the VC information in VC table prior to the every packet transmission, and issue Tx_Ready
R
command with VC number in order to transmit packet belongs to the VC.
The transmitting data structure is described in Section 4.5.1 Tx buffer structure.
CHAPTER 4 ATM CELL PROCESSOR
Figure 4-24. Work RAM Usage
W o rk R A M (1 0 K b yte s )
xx80_3F FF H
T em porary D ata
xx80_1840H
Pack et Info Structure
(4 W ords x 64)
xx80_1440H
Flow T able P ool
(4 W ords x 64)
xx80_1040H
Free Block Pool
/for VC T able/
(16 W ords x 64)
xx80_0040H
Pool D escriptor
(2 W ords x 8)
xx80_0000H
Preliminary User's Manual S15543EJ1V0UM
Pool
1024 bytes
1024 bytes
4096 bytes
64 bytes
263