TH8065KDCAA MELEXIS [Melexis Microelectronic Systems], TH8065KDCAA Datasheet - Page 30
TH8065KDCAA
Manufacturer Part Number
TH8065KDCAA
Description
Voltage Regulator with LIN Transceiver and Watchdog
Manufacturer
MELEXIS [Melexis Microelectronic Systems]
Datasheet
1.TH8065KDCAA.pdf
(40 pages)
- Current page: 30 of 40
- Download datasheet (2Mb)
4.5 Connection to Flash-MCU
While programming a flash MCU the TH8065 should be disconnected from the MCU. This can be done via
disconnecting the supply voltage from the TH8065 or by switching off with the EN pin. The reverse current
supply of the IC via the RxD pin, if the connected MCU pin is used as normal signal input and programming
input, must be inhibited via a decoupling diode. In this case the MCU must be supplied via the programming
interface.
The programming of the Flash is also possible via the LIN pin, if the MCU supports this kind of flash mode.
TH8065 – Datasheet
3901008065
Figure 22 – Example circuitry for connection of RxD to MCU for flash programming
V
V
high_RxD
low_RxD
= 0.8V
>= 4.7V at V
TH8065
Voltage Regulator with LIN Transceiver and Watchdog
CC
RESET
= 5V
VCC
RxD
TxD
10u...47u
Page 30 of 40
47n...100n
0.7V
Prog.-Data
V
high
= 4V at V
MCU
CC
= 5V
TH8065
May 2006
Rev 003
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