參數(shù)資料
型號(hào)： TMS37122
廠商： Texas Instruments, Inc.
英文描述： TIRIS Automotive Devices Analog Front End IC TMS37122
中文描述： 提里斯汽車設(shè)備的模擬前端集成電路TMS37122
文件頁數(shù)： 13/73頁
文件大?。?/td> 1189K
代理商： TMS37122
CHAPTER 2
13
Electrical Description
Chapter 2:
Electrical Description
This chapter describes the electrical circuitry of the 3D-Analog Front End (AFE) integrated
circuit TMS37122
Topic
Page
2.1
General......................................................................................................15
2.2
Power Supply...........................................................................................17
2.2.1
VBAT Supply........................................................................................17
2.2.1.1
Standard Battery Supply.............................................................17
2.2.1.2
Rechargeable Battery Supply.....................................................17
2.2.1.3
Battery Backup Supply ...............................................................18
2.2.2
VCL Supply ..........................................................................................19
2.2.2.1
Backup Mode..............................................................................19
2.2.2.2
Test Mode...................................................................................20
2.3
Power-on-reset.........................................................................................22
2.4
Limiter Circuits.........................................................................................23
2.5
Wake Detector..........................................................................................24
2.6
End-of-burst Detector..............................................................................25
2.7
Pulse Position Demodulator...................................................................25
2.8
Control Unit..............................................................................................26
2.8.1
Off Mode ..............................................................................................28
2.8.2
Standby Mode......................................................................................28
2.8.3
Init Mode ..............................................................................................28
2.8.4
Active Mode .........................................................................................28
2.8.4.1
Wake Pattern Detection..............................................................29
2.8.4.2
Transparent Mode ......................................................................30
2.9
FSK Modulator .........................................................................................31
continued on next page
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