參數(shù)資料
型號: DS21Q348
廠商: DALLAS SEMICONDUCTOR
元件分類: Digital Transmission Interface
英文描述: DATACOM, PCM TRANSCEIVER, PBGA144
封裝: BGA-144
文件頁數(shù): 9/67頁
文件大?。?/td> 339K
代理商: DS21Q348
DS21348/Q348
17 of 67
Figure 4-3 HARDWARE MODE PINOUT (BIS1 = 1, BIS0 = 1)
5. HARDWARE MODE
In hardware mode (BIS1 = 1, BIS0 = 1), pins 1-19, 23, 25, 31, and 44 are redefined to be used for
initializing the DS21348. BPCLK (pin 31) defaults to a 16.384 MHz output when in hardware mode. The
RCL/LOTC (pin 25) is designated to RCL when in hardware mode. JABDS (CCR4.2) defaults to logic
0. The RHBE (CCR2.3) and THBE (CCR2.2) control bits are combined and controlled by HBE at pin 11
while the RSCLKE (CCR5.3) and TSCLKE (CCR5.2) bits are combined and controlled by SCLKE at
pin 4. TCES (CCR2.1) and RCES (CCR2.0) are combined and controlled by CES at pin 12.
The
transmitter functions are combined and controlled by TX1 (pin 15) and TX0 (pin 14). The loopback
functions are controlled by LOOP1 (pin 17) and LOOP0 (pin 16). All other control bits default to the
logic 0 setting.
1 EGL
2 ETS
3 NRZE
4 SCLKE
5 L2
6 L1
7 L0
8 DJA
9 JAMUX
10 JAS
11 HBE
BIS1 33
BIS0 32
BPCLK 31
MCLK 30
HRST* 29
RRING 28
RTIP 27
TEST 26
RCL 25
PBEO 24
RT1 23
34
T
IP
35
V
S
36
V
D
37
T
R
IN
G
38
R
P
O
S
39
R
N
E
G
40
R
C
L
K
41
T
P
O
S
42
T
N
E
G
43
T
C
L
K
44
R
T
0
VS
S
2
VDD
2
1
VS
M
2
0
MM
1
9
MM
0
1
8
LO
O
P
1
17
LO
O
P
0
16
TX
1
5
TX
0
1
4
TP
D
1
3
CE
S
1
2
DS2148
Hardware
Operation
tie high
tie
lo
w
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參數(shù)描述
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DS21Q348N 功能描述:網(wǎng)絡(luò)控制器與處理器 IC RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流(最大值):595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
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