參數(shù)資料
型號: TMS37122
廠商: Texas Instruments, Inc.
英文描述: TIRIS Automotive Devices Analog Front End IC TMS37122
中文描述: 提里斯汽車設備的模擬前端集成電路TMS37122
文件頁數(shù): 10/73頁
文件大?。?/td> 1189K
代理商: TMS37122
10
Analog Front End IC TMS37122 - Reference Guide
August ’01
Figure 3: Typical 3D-AFE Application Including Battery Backup Function
The pinning and a description of each of the pins on the TMS37122 is given in Table 1.
Note:
Apart from the test inputs TCLK, TDAT and TEN, the logic inputs do not
have internal pull-down resistors in order to save current. Therefore defined
states from the connected Microcomputer are required. If pins are not used, a
connection to GND is necessary.
CL
VCL
GND
WAKE
VBAT
EOBA
GND
UHF TRANSMITTER
WDEEN
VCCO
VCC
RF1
RF2
RF3
TIMER
INT/INP INT/INP
OUT
T
TCLK
TDAT
OUT
BATTERY
LR1
CR1
TEN
3-D ANALOG FRONT-END
TMS37122
MICROCOMPUTER
OUT
MOD
LR2
LR3
CR3
CR2
TX
OUT
PASSIVE ENTRY/ PASSIVE START TRANSPONDER WITH BATTERY BACKUP FUNCTION
CLKA/M
Dbat
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