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5. Feature list
■ Function Description of BGMA
The MB2146-07-E BGMA is updated from MB2146-08-E. The updated features are described be-
low.
*1 : for 3.3V power supply MCU, the voltage range is 1.8V to 3.6V
*2 : for 5V power supply MCU, the voltage range is 2.4V to 5.5V
The following shows the power supply state indicated by the BGMA LED.
Green & Red
The following shows the status indicated by the BGMA LED.
Green & Red
6
• BGMA power supply is DC 5V (Power supply from the USB pin)
• UART Baud rate Max speed improved:
Data in MB95260H, MB95310L, MB95370L, MB95330H, MB95390H, MB95350L,
MB95410H and MB95470H series are updated at 125kbps, data in MB95560H series is up-
dated at 500kbps and data in MB95630H and later series are updated at 1Mbps.
• Baud rate selection between 500kbps and 1Mbps (in MB95630H series and following develop
MCU)
• Clock up enable function
• RAM Monitoring Function
• 16 bytes data continuous read
• 8 bytes data continuous write
• Supply power to target board seletable
• Power supply key to control BGMA power
• LED to show BGMA operation result
• Update BGMA by connection to PCs
• Flexible operation voltage range to target MCU power supply : 1.8V*
Table3 Power supply indication of BGMA
LED
Status
OFF
Green
ON
Red
ON
Orange
ON
LED
Status
OFF
ON
Green
Blinking
ON
Red
Twinkling
ON
Orange
Twinkling
Both BGMA and target board power supply off
BGMA Power supply on only
Target board power supply on only
Both BGMA and target board power supply on
Table4 Status indication of BGMA
Idle mode
Standalone mode
Standalone programming, target CR trimming
Program (standalone, USB programmer, Trimming) error,
logging data write error
Reserved
Logging will full soon
Logging data record time is over 255 × (8kbyte-9)
1
to 5.5V*
Information
Information
2
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