参数资料
型号: MCF5235CVM100
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 100 MHz, RISC PROCESSOR, PBGA256
封装: MAPBGA-256
文件页数: 19/76页
文件大小: 2665K
代理商: MCF5235CVM100
26
MCF523x Integrated Microprocessor Hardware Specifications
MOTOROLA
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
Signal Primary Functions
2.2.13 DMA Timer Signals
Table 14 describes the signals of the four DMA timer modules.
Receive Serial Data
Input
U2RXD/U1RX
D/U0RXD
Receiver serial data inputs for the UART modules. Data received on
this pin is sampled on the rising edge of the serial clock source lsb
first. When the UART clock is stopped for power-down mode, any
transition on this pin restarts it.
U1RXD can also be configured as Controller Area Network Transmit
data input CAN0RX.
U2RXD can also be configured as Controller Area Network Transmit
data output CAN1RX.
All pins can also be configured as GPIO.
I
Clear-to-Send
U1CTS/U0CTS Indicate to the UART modules that they can begin data transmission.
I
Request-to-Send
U1RTS/U0RTS Automatic request-to-send outputs from the UART modules.
U1RTS/U0RTS can also be configured to be asserted and negated as
a function of the RxFIFO level.
O
Table 14. DMA Timer Signals
Signal Name
Abbreviation
Function
I/O
DMA Timer 0 Input
DTIN0
Can be programmed to cause events to occur in first platform timer. It
can either clock the event counter or provide a trigger to the timer
value capture logic.
This pin can also be configured as DMA request line signal, DREQ0,
or as GPIO.
I
DMA Timer 0 Output
DTOUT0
The output from first platform timer.
This pin can also be configured as DMA acknowledge signal, DACK0,
or as GPIO.
O
DMA Timer 1 Input
DTIN1
Can be programmed to cause events to occur in the second platform
timer. This can either clock the event counter or provide a trigger to
the timer value capture logic.
This pin can also be configured as DMA request line signal, DREQ1,
or as GPIO.
I
DMA Timer 1 Output
DTOUT1
The output from the second platform timer.
This pin can also be configured as DMA acknowledge signal, DACK1,
or as GPIO.
O
Table 13. UART Module Signals (continued)
Signal Name
Abbreviation
Function
I/O
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