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4.4 UART"A" (JP: 52, 53, 54)

Because MB90340, MB96340, and MB91270 Series uses different UARTs for the burn-in

bootloader the right UART can be connected to UART "A" and the programming socket X17

for synchronous programming of the FLASH-CAN-100P-340 evaluation board:

MB90340 and MB96340 Series use UART0 for in circuit programming.

MB91270 Series uses UART1 for in circuit programming.

JP52

connects SOT0 or SOT1 to UART "A" and to X17 (FlashKit)

JP53

connects SIN0 or SIN1 to UART "A" and to X17 (FlashKit)

JP54

connects SCK0 or SCK1 to UART "A" and to X17 (FlashKit)

Jumper

JP52 (SOTx)

JP53 (SINx)

JP54 (SCKx)

Default: JP52=2-3, JP53=2-3, JP54=2-3

By default, UART1 is used as UART"A".

Note for MB91270 Series:

Make sure that jumper JP21a and JP22a (LIN transceiver) on the FLASH-CAN-100P-340

are open, while the UART1 of MB91270 Series is used.

ADA-91270-90340-100PFV v1.0

Chapter 4 Jumpers and Switches

Setting

Description

1-2

SOT0

(MB90340 bootloader UART)

2-3

SOT1

(MB91270 bootloader UART)

1-2

SIN0

(MB90340 bootloader UART)

2-3

SIN1

(MB91270 bootloader UART)

1-2

SCK0

(MB90340 bootloader UART)

2-3

SCK1

(MB91270 bootloader UART)

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is connected to UART 'A'

UG-910012-16