参数资料
型号: PCM9211PTR
厂商: TEXAS INSTRUMENTS INC
元件分类: 网络接口
英文描述: DATACOM, TOKEN RING TRANSCEIVER, PQFP48
封装: GREEN, PLASTIC, LQFP-48
文件页数: 77/121页
文件大小: 1219K
代理商: PCM9211PTR
ERROR/INT0
NPCM/ INT1
MPIO_A0
MPIO_A1
MPIO_A2
MPIO_A3
MPIO_C0
MPIO_C1
MPIO_C2
MPIO_C3
MPIO_B0
MPIO_B1
1
2
3
4
5
6
7
8
9
10
11
12
M
P
IO
_B
2
M
P
IO
_B
3
M
P
O
0
M
P
O
1
D
O
U
T
L
R
C
K
B
C
K
S
C
K
O
D
G
N
D
V
D
M
D
O
/A
D
R
0
M
D
I/
S
D
A
VDDRX
RXIN1
RXIN2
RXIN3
RXIN4/ ASCKIO
RXIN5/ ABCKIO
RXIN6/ ALRCKIO
RXIN7/ ADIN0
MODE
MS/ ADR1
MC/ SCL
36
35
34
33
32
31
30
29
28
27
26
25
V
IN
R
V
IN
L
V
C
A
D
A
G
N
D
A
D
V
C
O
M
F
IL
T
V
C
A
G
N
D
X
T
O
X
T
I
G
N
D
R
X
R
X
IN
0
48
47
46
45
44
43
42
41
40
39
38
37
13
14
15
16
17
18
19
20
21
22
23
24
C1
Analog Input
C2
C3
+5V
C4
R1
C5
C6
C7
+3.3V
X1
C9
C8
C12
C11
C10
R4
R3
+3.3V
COAX Input
0V
COAX Input
Optical
Inputs
or
PCM
Audio
I/ F
0V or 3.3V
Serial
Control
I/ F
Serial
Control
I/ F
C13
0V
+3.3V
PCM
Audio
I/ F
MPOx
Assigned
Functions
MPIO_B
Assigned
Functions
MPIO_A
Assigned
Functions
MPIO_C
Assigned
Functions
MPIO_B
Assigned
Functions
Interruption
Flag
Functions
R2
RST
www.ti.com
SBAS495 – JUNE 2010
APPLICATION INFORMATION
TYPICAL CIRCUIT CONNECTION
Figure 44 illustrates a typical circuit connection.
R1: Loop filter resistor, 680
Ω.
R2: Current-limiting resistor; generally, a 100-
Ω to 500-Ω resistor is used, but it depends on the crystal resonator.
R3, R4: Coax input termination resisters, 75
Ω.
C1, C2: 4.7-mF electrolytic capacitor is recommended for 3-Hz cutoff frequency.
C3, C7, C12, C13: 0.1-mF ceramic capacitor and 10-mF electrolytic capacitor, depending on the power supply.
C4: 0.1-mF ceramic capacitor and 10-mF electrolytic capacitor is recommended.
C5: Loop filter capacitor, 0.068 mF.
C6: Loop filter capacitor, 0.0047 mF.
C8, C9: OSC load capacitor; generally, a 10-pF to 30-pF capacitor is used, but it depends on the crystal resonator
and PCB layout.
C10, C11: DC blocking capacitor for coax input, 0.1 mF.
X1: Crystal resonator. Use a 24.576-MHz fundamental resonator when the XTI clock source is needed.
Figure 44. Typical Circuit Connection
Copyright 2010, Texas Instruments Incorporated
59
Product Folder Link(s): PCM9211
相关PDF资料
PDF描述
PCM9211PT DATACOM, TOKEN RING TRANSCEIVER, PQFP48
PCN11MF STRIP TERMINAL BLOCK, 1 DECK
PCN12E-32S-2.54DSA 32 CONTACT(S), FEMALE, STRAIGHT TWO PART EURO CONNECTOR, SOLDER, SOCKET
PCN12E-44S-2.54DSA 44 CONTACT(S), FEMALE, STRAIGHT TWO PART EURO CONNECTOR, SOLDER, SOCKET
PCN12E-50S-2.54DSA 50 CONTACT(S), FEMALE, STRAIGHT TWO PART EURO CONNECTOR, SOLDER, SOCKET
相关代理商/技术参数
参数描述
PCM-93 功能描述:电线鉴定 Pre-Printed WM Card, Vinyl Cloth, .22" W RoHS:否 制造商:TE Connectivity / Q-Cees 产品:Labels and Signs 类型: 材料:Vinyl 颜色:Blue 宽度:0.625 in 长度:1 in
PCM-9342 制造商:ADVANTECH 制造商全称:Advantech Co., Ltd. 功能描述:X86 SoC 3.5" SBC with VGA, LCD, LAN, USB, SATA, CF, PC/104
PCM-9342F-64A1E 制造商:ADVANTECH 制造商全称:Advantech Co., Ltd. 功能描述:X86 SoC 3.5" SBC with VGA, LCD, LAN, USB, SATA, CF, PC/104
PCM-9342FZ2-64A1E 制造商:ADVANTECH 制造商全称:Advantech Co., Ltd. 功能描述:X86 SoC 3.5" SBC with VGA, LCD, LAN, USB, SATA, CF, PC/104
PCM-9342L-64A1E 制造商:ADVANTECH 制造商全称:Advantech Co., Ltd. 功能描述:X86 SoC 3.5" SBC with VGA, LCD, LAN, USB, SATA, CF, PC/104