参数资料
型号: PIC16C926/CL
厂商: Microchip Technology
文件页数: 13/24页
文件大小: 0K
描述: IC MCU EPROM 8KX14 LCDDVR 68CLCC
标准包装: 19
系列: PIC® 16C
核心处理器: PIC
芯体尺寸: 8-位
速度: 20MHz
连通性: I²C,SPI
外围设备: 欠压检测/复位,LCD,POR,PWM,WDT
输入/输出数: 25
程序存储器容量: 14KB(8K x 14)
程序存储器类型: EPROM
RAM 容量: 336 x 8
电压 - 电源 (Vcc/Vdd): 4 V ~ 5.5 V
数据转换器: A/D 5x10b
振荡器型: 外部
工作温度: 0°C ~ 70°C
封装/外壳: 68-CLCC 窗口,68-CERQUAD
包装: 管件
配用: AC164308-ND - MODULE SKT FOR PM3 68PLCC
DVA16XL680-ND - ADAPTER DEVICE FOR MPLAB-ICE
AC164024-ND - ADAPTER PICSTART PLUS 68PLCC
CS61584A
48
DS261PP5
13. APPLICATIONS
13.1
Line Interface
Figures 27-29 illustrate typical connection diagram
for T1 and E1 line interface circuits in Hardware,
Host serial port, and Host parallel port modes. Ta-
ble 13 lists the external components that are re-
quired in T1 and E1 applications for both the 5.0
and 3.3 Volt devices.
In the transmit line interface circuitry, capacitors
C1 and C2 provide transmitter return loss. The
0.47 F capacitor in series with the transformer pri-
mary prevents output stage imbalances from pro-
ducing a DC current through the transformer that
might saturate the transformer and result in an out-
put level offset.
In the receive line interface circuitry, resistors R1-
R4 provide receive impedance matching and re-
ceiver return loss. The 0.47 F capacitor to ground
provides the necessary differential input voltage
reference for the receiver.
Device Suffix
Data Rate
(MHz)
REFCLK Frequency (MHz)
Transformer
Turns Ratio
Cable
(
)
R1-R4
(
)
C1-C2
(pF)
1XCLK = 1
1XCLK = 0
-IL3 and -IQ3 (3.3 Volts)
1.544
12.352
1:2
100
12.4
560
2.048
16.384
75
9.31
2200
120
15.0
560
-IL5 and -IQ5 (5.0 Volts)
1.544
12.352
1:1.15
100
38.3
220
2.048
16.384
75
28.7
470
120
45.3
220
Table 13. CS61584A External Components
AV+
AGND
BGREF
TV+1
TGND1
RV+1
RGND1 DV+ DGND1:3
0.01
F
TCLK1
TPOS1
TNEG1
RCLK1
RPOS1
RNEG1
TCLK2
TPOS2
TNEG2
RCLK2
RPOS2
RNEG2
Framer
TTIP1
TRING1
RTIP1
RRING1
TTIP2
TRING2
RTIP2
RRING2
Hardware Control
Power Supply
Clock Generator
Channel 2
Channel 1
transmit
3
0.1
F
1
F
+
0.1
F
TV+2
TGND2
RV+2
RGND2
22
F
+
0.1
F
0.1
F
0.1
F
receive
R3
R4
receive
R1
R2
T1
T2
T3
T4
R3
4.99k
VCC
0.47
F
0.47
F
REFCLK 1XCLK
RESET
CLKE
TAOS[1:2]
RLOOP[1:2] LLOOP
CON[0:2]1 CON[0:2]2
ATTEN[0:1]
C1
C2
0.47
F
0.47
F
LOS[1:2]
PD[1:2]
MODE
2
3
22
3
2
1:N
Figure 27. Hardware Mode Configuration
CS61584A
48
DS261F1
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