I
參數(shù)資料
型號: MCF52232AF50
廠商: Freescale Semiconductor
文件頁數(shù): 17/55頁
文件大?。?/td> 0K
描述: IC MCU 32BIT 128K FLASH 80-LQFP
標(biāo)準(zhǔn)包裝: 90
系列: MCF5223x
核心處理器: Coldfire V2
芯體尺寸: 32-位
速度: 50MHz
連通性: 以太網(wǎng),I²C,SPI,UART/USART
外圍設(shè)備: DMA,LVD,POR,PWM,WDT
輸入/輸出數(shù): 56
程序存儲器容量: 128KB(128K x 8)
程序存儲器類型: 閃存
RAM 容量: 32K x 8
電壓 - 電源 (Vcc/Vdd): 3 V ~ 3.6 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 8x12b
振蕩器型: 內(nèi)部
工作溫度: 0°C ~ 70°C
封裝/外殼: 80-LQFP
包裝: 托盤
MCF52235 ColdFire Microcontroller Data Sheet, Rev. 10
MCF52235 Family Configurations
Freescale Semiconductor
24
1.9
I2C I/O Signals
Table 10 describes the I2C serial interface module signals.
1.10
UART Module Signals
Table 11 describes the UART module signals.
1.11
DMA Timer Signals
Table 12 describes the signals of the four DMA timer modules.
Table 10. I2C I/O Signals
Signal Name
Abbreviation
Function
I/O
Serial Clock
SCL
Open-drain clock signal for the for the I2C interface. Either it is driven
by the I2C module when the bus is in master mode or it becomes the
clock input when the I2C is in slave mode.
I/O
Serial Data
SDA
Open-drain signal that serves as the data input/output for the I2C
interface.
I/O
Table 11. UART Module Signals
Signal Name
Abbreviation
Function
I/O
Transmit Serial Data
Output
UTXDn
Transmitter serial data outputs for the UART modules. The output is
held high (mark condition) when the transmitter is disabled, idle, or in
the local loopback mode. Data is shifted out, LSB first, on this pin at
the falling edge of the serial clock source.
O
Receive Serial Data
Input
URXDn
Receiver serial data inputs for the UART modules. Data is received on
this pin LSB first. When the UART clock is stopped for power-down
mode, any transition on this pin restarts it.
I
Clear-to-Send
UCTSn
Indicate to the UART modules that they can begin data transmission.
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Request-to-Send
URTSn
Automatic request-to-send outputs from the UART modules. This
signal can also be configured to be asserted and negated as a
function of the RxFIFO level.
O
Table 12. DMA Timer Signals
Signal Name
Abbreviation
Function
I/O
DMA Timer Input
DTINn
Event input to the DMA timer modules.
I
DMA Timer Output
DTOUTn
Programmable output from the DMA timer modules.
O
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