833
/
838
Nations Technologies Inc.
Tel
：
+86-755-86309900
：
Address: Nations Tower, #109 Baoshen Road, Hi-tech Park North.
Nanshan District, Shenzhen, 518057, P.R.China
Bit field
Name
Description
model of MCU. The values are as follows:
0x452: Basic N32G452
0x455: Incremental N32G455
0x457: Interconnect N32G457
19:16
FLASH[3:0]
FLASH capacity.
Chip FLASH capacity is FLASH[3:0] * 64KB
15:12
DEV_NUM_H[3:0]
The upper 4 digits of the device model.
See the description of DEV_NUM_L[3:0].
11:8
DEV_NUM_M[3:0]
The middle 4 digits of the device model.
See the description of DEV_NUM_L[3:0].
7:4
REV_NUM_H[3:0]
High 4 bits of MCU version number
3:0
REV_NUM_L[3:0]
Low 4 bits of MCU version number
29.4.3
Debug control register (DBG_CTRL)
Address offset: 0x04
POR reset value: 0x0000 0000 (not reset by system reset)
Bit field
Name
Description
31:22
Reserved
Reserved, the reset value must be maintained.
21
CAN2_STOP
When the kernel enters the debugging state, CAN2 stops running.
Set or cleared by software.
0: CAN2 is still running normally;
1: The receiving register of CAN2 does not continue to receive data
20:17
TIMx_STOP
Stop the timer counter when the core stops (x=7,6,5,8).
Set or cleared by software.
0: When the core stops, the clock is still provided to the counter of the related timer,
and the timer output works normally;
1: When the core stops, turn off the clock of the counter of the related timer and
turn off the output of the timer at the same time.
16:15
I2CxSMBUS_TIMEOUT
Stop the SMBUS timeout mode when the core stops (x=2,1).
Set or cleared by software.
0: Same as normal mode operation;
1: Freeze the timeout control of SMBUS.
14
CAN1_STOP
When the kernel enters the debugging state, CAN1 stops running.
Set or cleared by software.
