參數(shù)資料
型號(hào): MCF52223_07
廠商: 飛思卡爾半導(dǎo)體(中國(guó))有限公司
英文描述: ColdFire Microcontroller
中文描述: ColdFire微控制器
文件頁(yè)數(shù): 22/56頁(yè)
文件大小: 962K
代理商: MCF52223_07
MCF52223 ColdFire Microcontroller, Rev. 2
MCF52223 Family Configurations
Freescale Semiconductor
22
1.6
External Interrupt Signals
Table 7
describes the external interrupt signals.
1.7
Queued Serial Peripheral Interface (QSPI)
Table 8
describes the QSPI signals.
1.8
USB On-the-Go
This device is compliant with industry standard USB 2.0 specification.
1.9
Table 9
describes the I
2
C serial interface module signals.
I
2
C I/O Signals
Table 7. External Interrupt Signals
Signal Name
Abbreviation
Function
I/O
External Interrupts
IRQ[7:1]
External interrupt sources.
I
Table 8. 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 9. 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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