參數(shù)資料
型號: MCF5211
廠商: 飛思卡爾半導體(中國)有限公司
英文描述: ColdFire Microcontroller
中文描述: ColdFire微控制器
文件頁數(shù): 21/56頁
文件大?。?/td> 608K
代理商: MCF5211
MCF5213 Family Configurations
MCF5213 ColdFire Microcontroller, Rev. 3
Freescale Semiconductor
21
1.5
External Interrupt Signals
Table 8
describes the external interrupt signals.
1.6
Queued Serial Peripheral Interface (QSPI)
Table 9
describes the QSPI signals.
1.7
Table 10
describes the I
2
C serial interface module signals.
I
2
C I/O Signals
Table 8. External Interrupt Signals
Signal Name
Abbreviation
Function
I/O
External Interrupts
IRQ[7:1]
External interrupt sources.
I
Table 9. Queued Serial Peripheral Interface (QSPI) Signals
Signal Name
Abbreviation
Function
I/O
QSPI Synchronous
Serial Output
QSPI_DOUT Provides the serial data from the QSPI and can be programmed to be
driven on the rising or falling edge of QSPI_CLK.
O
QSPI Synchronous
Serial Data Input
QSPI_DIN
Provides the serial data to the QSPI and can be programmed to be
sampled on the rising or falling edge of QSPI_CLK.
I
QSPI Serial Clock
QSPI_CLK
Provides the serial clock from the QSPI. The polarity and phase of
QSPI_CLK are programmable.
O
Synchronous Peripheral
Chip Selects
QSPI_CS[3:0] QSPI peripheral chip select; can be programmed to be active high or
low.
O
Table 10. I
2
C I/O Signals
Signal Name
Abbreviation
Function
I/O
Serial Clock
SCL
Open-drain clock signal for the for the I
2
C interface. When the bus is
In master mode, this clock is driven by the I
2
C module; when the bus
is in slave mode, this clock becomes the clock input.
I/O
Serial Data
SDA
Open-drain signal that serves as the data input/output for the I
2
C
interface.
I/O
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