
132 / 246
132 / 246
ABOV Semiconductor
AC30M1x64/1x32
FRT.MR
FRT Mode Register
8.2.1
FRT is a 32-bit up counter. It can be used in power down mode when using SUB OSC. The SUB OSC clock is directly
connected to FRT. Timer Control Register is 8-bit register.
FRT.MR=0x4000_0600
7
6
5
4
3
2
1
0
CLKSEL
MCD
OVIE
MIE
0
0
0
0
0
0
0
RW
RW
RW
RW
RW
5
4
CLKSEL
FRT counter clock source control
0
Low Speed Internal Oscillator clock (40kHz)
1
External Oscillator clock divided by 32
2
Sub Oscillator clock
3
Reserved
2
MCD
Counter Match Clear Disable bit
0
Counter Match Clear function is enabled.
Whenever the counter matches FRT.PER, the counter
will be set zero and waiting for MF to be cleared.
1
Counter Match Clear function is disabled.
The counter will keep countering without set zero
1
OVIE
Over Flow Interrupt Enable bit
0
Not effect
1
Interrupt enabled
0
MIE
Match Interrupt Enable bit
0
Not effect
1
Interrupt enabled
FRT.CR
FRT Control Register
8.2.2
FRT Control Register is 8-bit register.
FRT.CR=0x4000_0604
7
6
5
4
3
2
1
0
RREQ
CLR
HOLD
EN
0
0
0
0
0
0
0
0
RW
WO
RW
RW
3
RREQ
FRT Counter read request bit
0
No action
1
Request to read FRTn.CNT
(cleared when CNTACK(FSR[1]) is high)
2
CLR
FRT Counter register clear bit
0
No action
1
Clear the counter
1
HOLD
FRT Counter register hold bit
0
No action
1
Hold the counter
0
EN
FRT enable bit
0
FRT Disabled
1
FRT Enabled
Содержание AC30M1x32
Страница 3: ...3 246 ABOV Semiconductor INTRODUCTION SECTION 1 INTRODUCTION ...
Страница 4: ...4 246 4 246 AC30M1x64 1x32 ABOV Semiconductor OVERVIEW CHAPTER 1 ...
Страница 18: ...18 246 18 246 ABOV Semiconductor AC30M1x64 1x32 CPU CHAPTER 2 ...
Страница 22: ...22 246 22 246 ABOV Semiconductor AC30M1x64 1x32 Boot Mode CHAPTER 3 ...
Страница 26: ...26 246 26 246 ABOV Semiconductor AC30M1x64 1x32 SECTION 2 PERIPHERALS ...
Страница 27: ...27 246 ABOV Semiconductor System Control Unit SCU SYSTEM CONTROL UNIT SCU CHAPTER 1 ...
Страница 69: ...69 246 ABOV Semiconductor Port Control Unit PCU PORT CONTROL UNIT PCU CHAPTER 2 ...
Страница 85: ...85 246 ABOV Semiconductor General Purpose I O GPIO GENERAL PURPOSE I O GPIO CHAPTER 3 ...
Страница 92: ...92 246 92 246 AC30M1x64 1x32 ABOV Semiconductor FLASH MEMORY CONTROLLER CHAPTER 4 ...
Страница 105: ...105 246 ABOV Semiconductor Internal SRAM INTERNAL SRAM CHAPTER 5 ...
Страница 107: ...107 246 ABOV Semiconductor Watch Dog Timer WATCH DOG TIMER WDT CHAPTER 6 ...
Страница 113: ...113 246 ABOV Semiconductor 16 bit Timer 16 BIT TIMER CHAPTER 7 ...
Страница 128: ...128 246 128 246 ABOV Semiconductor AC30M1x64 1x32 Figure 7 9 ADC trigger function timing diagram ...
Страница 129: ...129 246 ABOV Semiconductor FRT FREE RUN TIMER FRT CHAPTER 8 ...
Страница 134: ...134 246 134 246 ABOV Semiconductor AC30M1x64 1x32 FUNCTION DESCRIPTION 8 3 ...
Страница 135: ...135 246 UART ABOV Semiconductor UNIVERSAL ASYNCHRONOUS CHAPTER 9 RECEIVER TRANSMITTER UART ...
Страница 151: ...151 246 ABOV Semiconductor UART Figure 9 6 Transmit interrupt timing diagram ...
Страница 152: ...152 246 152 246 ABOV Semiconductor AC30M1x64 1x32 SERIAL PERIPHERAL INTERFACE SPI CHAPTER 10 ...
Страница 164: ...164 246 164 246 ABOV Semiconductor AC30M1x64 1x32 I2 C Interface CHAPTER 11 ...
Страница 185: ...185 246 ABOV Semiconductor Motor PWM MOTOR PULSE WIDTH MODULATOR CHAPTER 12 MPWM ...
Страница 191: ...191 246 ABOV Semiconductor Motor PWM 0 1 WH CONTROL WH OUTPUT OLR WHL POLWH Figure 12 2 Polarity Control Block ...
Страница 215: ...215 246 ABOV Semiconductor Divider DIVIDER DIV64 CHAPTER 13 ...
Страница 221: ...221 246 ABOV Semiconductor 12 BIT A D Converter 12BIT A D CONVERTER CHAPTER 14 ...
Страница 235: ...235 246 ABOV Semiconductor CHARACTERISTIC SECTION 3 CHARACTERISTIC ...
Страница 236: ...236 246 236 246 ABOV Semiconductor AC30M1x64 1x32 Electrical Characteristic CHAPTER 1 ...
Страница 243: ...243 246 ABOV Semiconductor Package Package CHAPTER 2 ...
Страница 244: ...244 246 244 246 ABOV Semiconductor AC30M1x64 1x32 LQFP 48 Package dimension 2 1 Figure 2 1 Package dimension LQFP 48 ...
Страница 245: ...245 246 ABOV Semiconductor Package LQFP 32 Package dimension 2 2 Figure 2 2 Package dimension LQFP 32 ...
Страница 246: ...246 246 246 246 ABOV Semiconductor AC30M1x64 1x32 QFN 32 Package dimension 2 3 Figure 2 3 Package dimension QFN 32 ...