參數(shù)資料
型號: SAB82526N
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): 11/126頁
文件大?。?/td> 730K
代理商: SAB82526N
Semiconductor Group
11
82525
82526
82525
82526
SAB
SAB
SAF
SAF
Pin Definitions and Functions
(cont’d)
Pin No.
Symbol
Input (
I
)
Output (O)
Function
9
16
RXDA
RXDB
I
Receive Data
(channel A/channel B)
Serial data is received on these pins at standard TTL or
CMOS levels.
Request to Send
(channel A/channel B)
When the RTS bit in the mode register is set, the RTS
signal goes low. When the RTS is reset, the signal goes
high if the transmitter has finished and there is no further
request for a transmission.
In a bus configuration, this pin can be programmed via
CCR2 to:
go low during the actual transmission of a frame shifted
by one clock period, excluding collision bits
go low during the reception of a data frame
10
15
O
11
14
I
Clear to Send
(channel A/channel B)
A low on the CTS inputs enables the respective transmitter.
Additionally, an interrupt may be issued if a state transition
occurs at the CTS pin (programmable feature). If no "Clear
To Send" function is required, the CTS inputs can be
connected directly to
V
SS
.
Collision Data
(channel A/channel B)
In a bus configuration, the external serial bus must be
connected to the respective C
×
D pin for collision
detection.
Transmit Data
(channel A/channel B)
12
13
TXDA
TXDB
O
Transmit data is shifted out via these pins at standard TTL
or CMOS levels. These pins can be programmed to work
either as push-pull, or open drain outputs supporting bus
configurations.
17
RES
I
RESET
A high signal on this input forces the HSCX into the reset
state. The HSCX is in power-up mode during reset and in
power-down mode after reset. The minimum pulse width is
1.8
μ
s.
stay always high (RTS disabled).
RTSA
RTSB
CTSA/
CXDA
CTSB/
CXDB
14
21
15
20
16
19
17
18
22
P-LCC P-MQFP
相關(guān)PDF資料
PDF描述
SAF82525N Data Communications ICs
SAF82526 Data Communications ICs
SAF82526N Data Communications ICs
SAB82525 Data Communications ICs
SAB82525H Data Communications ICs
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