UM-B-041
SmartBond Production Line Tool
User Manual
Revision 4.8
02-Nov-2022
CFR0012
60 of 170
© 2022 Renesas Electronics
7.2.5
DUT Hardware Setup
7.2.5.1
UART Baud Rate
Figure 42: UART Baud Rate
shows the available options for the
UART Baud Rate
used during memory programming.
The
Baud Rate
selected here is used after the firmware (
uartboot_da1470x.bin
) has been
downloaded to the DUT. The software will send a command to the DUT to change the UART baud
rate to the one selected. All following UART communications with the DUT will be performed using
the new baud rate. Note that this is happening only during memory programming where
uartboot_da1470x.bin
is used. During tests (
RF tests, XTAL trimming
, etc.), where the
production test firmware is used, the baud rate is fixed to 115200 bit/s.
Table 30: UART Baud Rate
Option
Description
Baud Rate
●
9600 (bit/s)
●
57600 (bit/s)
●
115200 (bit/s)
●
1000000 (bit/s)
●
2000000 (bit/s)
Note:
1 Mbit/s and 2 Mbit/s are the fastest and safest with 0% baud rate error.
7.2.5.2
Reset Polarity
Figure 43: Reset Polarity
The
Reset Polarity
selected here is used in combination to the reset method. If the reset method is
set to VBAT only then this setting is ignored. Depending on the implementation, active high or active
low reset signal might be required. This setting controls the reset polarity as active high or active low.
7.2.6
Test Settings
7.2.6.1
VBAT Level Log
Figure 44: VBAT Level Log
When this feature is enabled, PLT will send a command to the device to measure VBAT using its
internal ADC. The VBAT level will then be logged. No, pass or fail limits exist for this test. It is only
used for logging purposes.