MC145574 Datasheet

IC型号：
MC145574
PDF描述：
ISDN S/T-Interface Transceiver
文件大小：
658.40KB
芯片厂家：
Motorola

阅览下载纠错 0

扫码查看芯片数据手册

上传产品规格书

PDF预览

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164

Freescale Semiconductor, Inc.

back high after the transaction, before another rising edge of SCPCLK is encountered. Note that

SCP Rx is ignored during the time that SCP Tx is being driven. Also note that SCP Tx comes out

of high impedance only when it is transmitting data.

SCPEN

SCPCLK

DON鈥橳 CARE

SCP Rx

R/W

DON鈥橳 CARE

Freescale Semiconductor, Inc...

SCP Tx

D2 D1

HIGH IMPEDANCE

Figure 5鈥?. Serial Control Port Nibble Register Read Operation

5.2.2

SCP Nibble Register Write

A nibble register write is an 8鈥揵it SCP transaction. Figure 5鈥? illustrates this process. To initiate an

SCP nibble register write, the SCPEN pin must be brought low. Following this, an R/W bit followed

by three primary address bits are shifted (MSB first) into an intermediate buffer register on the first

four rising edges of SCPCLK following the high鈥搕o鈥搇ow transition of SCPEN. If a write operation is

to be performed, then R/W should be a 0. The three address bits, clocked in after the R/W bit, select

the nibble register to be written to. The data shifted in on the next four rising edges of SCPCLK is

then written to the selected register. Throughout this whole operation the SCP Tx pin remains in high鈥?/div>

impedance state. Note that if a selected register or bit in a selected register is 鈥渞ead only鈥? then a

write operation has no effect.

SCPEN

SCPCLK

SCP Rx

DON鈥橳 CARE

R/W A2

DON鈥橳 CARE

SCP Tx

HIGH IMPEDANCE

NOTES:

1. R/W = 0 for a read operation.

2. Data is shifted out on SCP Tx on the falling edges of SCPCLK, MSB first.

3. Data is shifted into the chip from SCP Rx on the rising edges of SCPCLK, MSB first.

4. A2, A1, A0 = 0 to 6.

Figure 5鈥?. Serial Control Port Nibble Register Write Operation

5鈥?

MC145574

For More Information On This Product,

Go to: www.freescale.com

MOTOROLA

prev next

MC145574相关型号PDF文件下载

型号

版本

描述

厂商

下载
MC1403

英文版

2.5V PRECISION SERIAL VOLTAGE REFERENCE

STMicro

MC1403
MC1404

英文版

PRECISION LOW DRIFT VOLTAGE REFERENCES

ONSEMI

MC1404
MC1404

英文版

12-Bit Binary Counter

MC1404
MC1405

英文版

Motorola, Inc [ANALOG - TO - DIGITAL CONVERTER SUBSYSTEM]

MC1405
MC1408

英文版

EIGHT-BIT MULTIPLYING DIGITAL-TO-ANALOG CNOVERTER

MC1408
MC1408

英文版

8-Bit Multiplying D/A Converter - Product Preview

MC1408
MC1411

英文版

PERIPHERAL DRIVER ARRAYS

MC1411
MC1412

英文版

PERIPHERAL DRIVER ARRAYS

MC1412
MC1413

英文版

PERIPHERAL DRIVER ARRAYS

ONSEMI

MC1413
MC1413

英文版

MC1413
MC1414

英文版

Motorola, Inc [DUAL DIFFERENTIAL COMPARATOR]

MC1414
MC1416

英文版

High Voltage High Current Darlington Transistor Arrays

MC1416
MC1436

英文版

Motorola, Inc [Operational Amplifiers]

MC1436
MC1437

英文版

MATCHED DUAL OPERATIONAL AMPLIFIERS

MC1437
MC1439

英文版

UNCOMPENSATED OPERATIONAL AMPLIFIER

MC1439
MC1445

英文版

GATE CONTROLLED TWO CHANNEL INPUT WIDEBAND AMPLIFIER

MC1445
MC1445

英文版

Texas Instruments [GATE-CONTROLLED 2-CHANNEL-INPUT VIDEO AM...

TI

MC1445
MC1455

英文版

Timing Circuit

ONSEMI

MC1455
MC1455

英文版

Timers

MC1455
MC1456

英文版

Motorola, Inc [INTERNALLY COMPENSATED, HIGH PERFORMANCE OPE...

MC1456

MC145574 Datasheet

PDF预览

MC145574相关型号PDF文件下载

您可能感兴趣的PDF文件资料

热门IC型号推荐

MC145574 Datasheet

PDF预览

MC145574相关型号PDF文件下载

您可能感兴趣的PDF文件资料

热门IC型号推荐

建议反馈

PDF纠错X