MCBSTM32EXL Keil, MCBSTM32EXL Datasheet - Page 656

• Manufacturer Part Number: MCBSTM32EXL
• Description: BOARD EVALUATION FOR STM32F103ZE
• Manufacturer: Keil

Specifications of MCBSTM32EXL

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Universal synchronous asynchronous receiver transmitter (USART)
Figure 238. USART block diagram
656/995
IRDA_OUT
IRDA_IN
USARTDIV = DIV_Mantissa + (DIV_Fraction / 16)
SW_RX
nRTS
nCTS
TX
RX
Hardware
flow
controller
IrDA
SIR
ENDEC
BLOCK
PWDATA
TXEIE
TRANSMITTER
CR1
CR3
DMAT
CLOCK
INTERRUPT
(CPU or DMA)
TCIE
CONTROL
USART
Transmit Data Register (TDR)
DMAR
TRANSMIT
CONTROL
RXNE
IE
Transmit Shift Register
SCEN
Write
IDLE
/16
IE
f
CR2
PCLKx(x=1,2)
NACK
Doc ID 13902 Rev 9
TE
USART Address
/
HD
USARTDIV
RE
IRLP
RWU
GTPR
WAKE
UNIT
UP
IREN
SBK
GT
RE
TE
(CPU or DMA)
CONVENTIONAL BAUD RATE GENERATOR
15
Receive Data Register (RDR)
CTS LBD
UE
Read
DIV_Mantissa
PSC
Receive Shift Register
TRANSMITTER RATE
USART_BRR
RECEIVER RATE
CONTROL
M
CR2
LINE
CONTROL
WAKE
RECEIVER
CONTROL
TXE TC RXNE IDLE ORE NE FE
STOP[1:0]
4
(DATA REGISTER) DR
PCE
DIV_Fraction
PS
CKEN CPOL CPHA LBCL
SCLK CONTROL
CR1
PEIE
0
PRDATA
RECEIVER
CLOCK
SR
PE
RM0008
SCLK