SN32F280 Series
32-Bit Cortex-M0 Micro-Controller
SONiX TECHNOLOGY CO., LTD
Page 69
Version 1.1
10:8
I2C0PRE[2:0]
I2C0 clock source prescaler
000: HCLK / 1
001: HCLK / 2
010: HCLK / 4
011: HCLK / 8
100: HCLK / 16
Other: Reserved
W
0
7:0
Reserved
R
0
3.4.4 Peripheral Reset register (SYS1_PRST)
Address Offset: 0x10
Bit
Name
Description
Attribute
Reset
31:29
Reserved
R
0
28
OPARST
OPA reset.
0: No effect
1: Reset OPA
R/W
0
27
USBRST
USB reset
0: No effect
1: Reset USB
R/W
0
26
CRCRST
CRC reset
0: No effect
1: Reset CRC
R/W
0
25
I2S1RST
I2S1 reset
0: No effect
1: Reset I2S1
R/W
0
24
WDTRST
WDT reset
0: No effect
1: Reset WDT
R/W
0
23
RTCRST
RTC reset
0: No effect
1: Reset RTC
R/W
0
22
I2S0RST
I2S0 reset
0: No effect
1: Reset I2S0
R/W
0
21
I2C0RST
I2C0 reset
0: No effect
1: Reset I2C0
R/W
0
20
I2C1RST
I2C1 reset
0: No effect
1: Reset I2C1
R/W
0
19
UART3RST
UART3 reset
0: No effect
1: Reset UART3
R/W
0
18
UART2RST
UART2 reset
0: No effect
1: Reset UART2
R/W
0
17
UART1RST
UART1 reset
0: No effect
1: Reset UART1
R/W
0
16
UART0RST
UART0 reset
0: No effect
1: Reset UART0
R/W
0
15
LCDRST
LCD reset
0: No effect
1: Reset LCD
R/W
0
14
CMPRST
CMP reset
0: No effect
1: Reset CMP
R/W
0
13
SPI1RST
SPI1 reset
0: No effect
R/W
0