M052ZAN Nuvoton Technology Corporation of America, M052ZAN Datasheet - Page 43

• Manufacturer Part Number: M052ZAN
• Description: IC MCU 32BIT 8KB FLASH 33QFN
• Manufacturer: Nuvoton Technology Corporation of America
• Series: NuMicro M051™r

Specifications of M052ZAN

• Core Processor: ARM Cortex-M0
• Core Size: 32-Bit
• Speed: 50MHz
• Connectivity: I²C, IrDA, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, POR, PWM, WDT
• Number Of I /o: 24
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 2.5 V ~ 5.5 V
• Data Converters: A/D 5x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 33-WFQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Brown-Out Detector Control Register (BODCR)
NuMicro M051
Partial of the BODCR control registers values are initiated by the flash configuration and write-
protected.
disable register protection. Reference the register REGWRPROT at address GCR_BA+0x100.
Register
BODCR
Bits
[31:8]
[7]
[6]
LVR_EN
31
23
15
7
Programming these protected bits needs to write “59h”, “16h”, “88h” to address 0x5000_0100 to
Offset
GCR_BA+18
Descriptions
Reserved
LVR_EN
BOD_OUT
BOD_OUT
30
22
14
6
R/W
R/W
Reserved
Low Voltage Reset Enable (write-protected bit)
The LVR function reset the chip when the input power voltage is lower than LVR circuit
setting. LVR function is enabled in default. The typical value of LVR is about 2.0V.
1= Enabled Low Voltage Reset function – After enable the bit, the LVR function will active
with 100uS delay for LVR output stable.(default).
0= Disabled Low Voltage Reset function
The status for Brown Out Detector output state
1= Brown Out Detector status output is 1, the detected voltage is lower than BOD_VL
setting. If the BOD_EN is “0”(disabled), this bit always response “0”
0= Brown Out Detector status output is 0, the detected voltage is higher than BOD_VL
setting
BOD_LPM
™
29
21
13
5
Series Technical Reference Manual
Description
Brown Out Detector Control Register
BOD_INTF
28
20
12
4
- 43 -
Reserved
Reserved
Reserved
BOD_RSTE
27
19
11
N
3
Publication Release Date: Sept 14, 2010
26
18
10
2
BOD_VL
25
17
9
1
Revision V1.2
Reset Value
0x0000_008X
BOD_EN
24
16
8
0