Page 22 - ARMMbedOS物聯網實戰應用超入門

第一章 Cortex-M 系列與 STM32 晶片介紹

SWCLK Serial Wire POWER
SWDIO Debug VOLT.REG VDD = 2 to 3.6V
as AF VDD 18 3.3V to 1.8V VSS
Obl Flash GPL
CORTEX-M0 CPU Flash Memory Interface Up to 128 KB @VDD
32-bit
f MAX = 48 MHz
VDDC2 OKIN SUPPLY
POR SUPERVISION NRST
SRAM
Bus Matrix @VDDA PVD VDD
Reset
NVIC SRAM Controller 16 KB Int POR/PDR VDDA
VSSA
HSI 14
HSI RC 14 MHz @VDDA
PLLCLK RC 8 MHz @VDD
PLL
GP DMA LSI RC 40 kHz XTAL OSC OSC_IN
7 Channels HSI 48 4-32 MHz OSC_OUT
RC 48 MHz
Ind.window WDG
Power
PA[15:0] GPIO Port A RESET & CLOCK Controlor VDD
CONTROL
PB[15:0] GPIO Port B @VBAT VSAT = 1.65 to 3.6V
AHB Decoder Clocks
PC[15:0] GPIO Port C System and Peripheral XTAL32 KHz OSC32_IN
OSC32_OUT
PD15:0] GPIO Port D RTC Backup 3 TAMPER-RTC
reg
(ALARM OUT)
PE[15:0] GPIO Port E RTC interface
PF[10:9], PF6 GPIO Port F CRS
PF[3:0] SYNC
3 Compl.channels
8 Groups of PAD Touch CRC PWM TIMER 1 4 Channels
Analog
4 Channels Switches Sensing BRK, ETR Input as AF
Controller AHB TIMER 2-32-bit 4 ch.,ETR as AF
SYNC APB
TIMER 3 4 ch.,ETR as AF
87 AF EXT. IT WKUP
TIMER 14 1 Channel as AF
D+, D– USB USB TIMER 15 2 Channels
PHY
@VDDIO2 SRAM 768B 1 Compl, BRK as AF
1 Channel
TIMER 16 1 Compl, BRK as AF
SRAM 256B Window WDG
TIMER 17 1 Channel
1 Compl, BRK as AF
TX, RX as AF BxCAN DBGMCU IR_OUT as AF
MOSI/SD
MISO/MCK SPI1/I2S1 USART 1 RX, TX, CTS, RTS,
CK as AF
SCK/CK
NSS/WS as AF RX, TX, CTS, RTS,
MOSI/SD USART 2 CK as AF
MISO/MCK SPI2/I2S2
SCK/CK USART 3 RX, TX, CTS, RTS,
NSS/WS as AF CK as AF
SYSCFG IF RX, TX, CTS, RTS,
USART 4 CK as AF
INPUT +
INPUT- GP Comparator 1 I2C1 SCL, SDA, SMBA
OUTPUT GP Comparator 2 (20 mA FM+) as AF
as AF SCL, SDA
@VDDA I2C2 (20 mA FM+) as AF
Temp.
Sensor HDMI-CEC CEC as AF
16x 12-bitADC IF TIMER 6
AD Input 12-bit DAC DAC_OUT1
TIMER 7 IF
VDDA 12-bit DAC DAC_OUT2
VSSA
@VDDA @VDDA
Power domain of analog blocks : V BAT V DD V DDA V DDIO2
圖 1-7(b) STM32F072 系列完整架構圖
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