CMSemicon BAT32G157

The BAT32G157 series (BAT32 family) are 32-bit general-purpose microcontrollers based on the Arm® Cortex®-M0 processor.

Internal ECC RAM

Device	StartAddr	Size
BAT32G157GK48FA	0x20000000	32 KB
BAT32G157GK64FB	0x20000000	32 KB

  *** Additional information ***

In order to prevent errors when reading first time, the DLL intialises the first 4Kb of RAM starting at 0x2000_0000.
Due to this attaching to a running system is not possible.

Supported Flash Banks

Internal Flash

Device	StartAddr	Size	J-Link Support
BAT32G157GK48FA	0x08000000	256 KB	YES
BAT32G157GK64FB	0x08000000	256 KB	YES

Internal Data Flash

Device	StartAddr	Size	J-Link Support
BAT32G157GK48FA	0x08500200	2.5 KB	YES
BAT32G157GK64FB	0x08500200	2.5 KB	YES

Option Bytes

Within this flash area (offset: 0x0C) and data flash (offset: 0x4)

Please refer to the manual for detailed description

Offset	Register
0xc0	WDT Control BYTE
0xc1	LVD Control BYTE (C1H)
0xc2	HOCO Control BYTE (FRQSEL)
0xc3	Flash Protect Control BYTE
0xc4	Boot Area Control BYTE
0xc5	QSPI flash protect option BYTE
0xc6	QSPI flash protect option BYTE0
0xc7	QSPI flash protect option BYTE1

Note:

AS THE OPTION BYTES ARE WITHIN THE NORMAL FLASH AREA PLEASE ENSURE NOT TO OVERWRITE WITH PROGRAM CODE

ONE POSSIBLE SOLUTION IS WITHIN THE EXAMPLES

Reset

The device uses normal reset, no special handling necessary.

Minimum requirements

• J-Link software V7.82c or later

Evaluation Boards

• CMSemicon BAT32G157-EVB evaluation board: https://wiki.segger.com/CMSemicon_BAT32G157-EVB

Example Application

• CMSemicon BAT32G157-EVB evaluation board: https://wiki.segger.com/CMSemicon_BAT32G157_EVB#Example_Project