參數(shù)資料
型號: SAF82526
廠商: INFINEON TECHNOLOGIES AG
英文描述: Data Communications ICs
中文描述: 數(shù)據(jù)通信集成電路
文件頁數(shù): 16/126頁
文件大?。?/td> 730K
代理商: SAF82526
Semiconductor Group
16
82525
82526
82525
82526
SAB
SAB
SAF
SAF
Figure 1
Block Diagram SAB 82525/SAB 82526
The HSCX SAB 82526 comprises one (channel B), the SAB 82525 two completely
independent full-duplex HDLC channels (channel A and channel B), supporting various layer-1
functions by means of internal oscillator, Baud Rate Generator (BRG), Digital Phase Locked
Loop (DPLL), and Time-Slot Assignment (TSA) circuits.
Furthermore, layer-2 functions are performed by an on-chip LAP (Link Access Procedure, e.g.
LAPB or LAPD) controller.
μ
P Bus
Interface
SP-REG
LAP
Controller
FIFO
Receive
FIFO
Transmit
Data
Link
Controller
TSA
Decoder
Collision
Detection
DPLL
Clock
Controll
DMA
Interface
Channel A
ITB00946
Channel B
A0-A6
D0-D7
RD/IC1
WR/IC0
CS
ALE/IMO
INT
RES
IM1
DRQTA
DRQRA
DACKA
DACKB
DRQRB
DRQTB
BRG
RxDA
TxDA
RTSA
CTSA/
CxDA
TxCLKB
AxCLKB
RxCLKB
TxDB
RxDB
RTSB
CxDB
CTSB/
TxCLKA
AxCLKA
RxCLKA
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