NOTE: [1] Only rese" />
參數(shù)資料
型號: XR20M1172G28-0A-EB
廠商: Exar Corporation
文件頁數(shù): 37/55頁
文件大?。?/td> 0K
描述: EVAL BOARD FOR XR20M1172 28TSSOP
標(biāo)準(zhǔn)包裝: 1
主要目的: 接口,UART
嵌入式:
已用 IC / 零件: XR20M1172
主要屬性: 2 通道
次要屬性: I²C & SPI 接口
已供物品:
其它名稱: 1016-1622
XR20M1172G28-0A-EB-ND
XR20M1172
42
TWO CHANNEL I2C/SPI UART WITH 64-BYTE FIFO
REV. 1.2.0
NOTE: [1] Only resets to these values during a power up. They do not reset when the RESET# pin is asserted or during
software reset IOCont[3] = 1.
TABLE 16: UART RESET STATES
REGISTERS
RESET STATE
DLM, DLL
DLM = 0x00 and DLL = 0x01[1]
DLD
Bits 7-0 = 0x00
RHR
Bits 7-0 = 0xXX
THR
Bits 7-0 = 0xXX
IER
Bits 7-0 = 0x00
FCR
Bits 7-0 = 0x00
ISR
Bits 7-0 = 0x01
LCR
Bits 7-0 = 0x1D
MCR
Bits 7-0 = 0x00
LSR
Bits 7-0 = 0x60
MSR
Bits 3-0 = Logic 0
Bits 7-4 = Logic levels of the inputs inverted
SPR
Bits 7-0 = 0xFF[1]
TCR
Bits 7-0 = 0x0F
TLR
Bits 7-0 = 0x00
TXLVL
Bits 7-0 = 0x40
RXLVL
Bits 7-0 = 0x00
IODir
Bits 7-0 = 0x00
IOState
Bits 7-0 = 0x00
IOIntEna
Bits 7-0 = 0x00
IOCont
Bits 7-0 = 0x00
EFCR
Bits 7-0 = 0x00
EFR
Bits 7-0 = 0x00
XON1
Bits 7-0 = 0x00[1]
XON2
Bits 7-0 = 0x00[1]
XOFF1
Bits 7-0 = 0x00[1]
XOFF2
Bits 7-0 = 0x00[1]
I/O SIGNALS
RESET STATE
TX
HIGH
RTS#
HIGH
DTR#
HIGH
IRQ#
HIGH
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