參數(shù)資料
型號: MCF52233CAF60
廠商: Freescale Semiconductor
文件頁數(shù): 29/55頁
文件大?。?/td> 0K
描述: IC MCU 32BIT 256K 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: 60MHz
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): 73
程序存儲器容量: 256KB(256K 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: -40°C ~ 85°C
封裝/外殼: 80-LQFP
包裝: 托盤
配用: M52233DEMO-ND - BOARD DEMO FOR MCF52233
Electrical Characteristics
MCF52235 ColdFire Microcontroller Data Sheet, Rev. 10
Freescale Semiconductor
35
2.5
General Purpose I/O Timing
GPIO can be configured for certain pins of the QSPI, timers, UARTs, FEC, and interrupts. When in GPIO mode, the timing
specification for these pins is given in Table 26 and Figure 6.
The GPIO timing is met under the following load test conditions:
50 pF / 50
for high drive
25 pF / 25
for low drive
Figure 6. GPIO Timing
7 This value has been updated
8 Load capacitance determined from crystal manufacturer specifications and include circuit board parasitics.
9 Assuming a reference is available at power up, lock time is measured from the time V
DD and VDDPLL are valid to RSTO
negating. If the crystal oscillator is the reference for the PLL, the crystal start up time must be added to the PLL lock time to
determine the total start-up time.
10 Jitter is the average deviation from the programmed frequency measured over the specified interval at maximum f
sys.
Measurements are made with the device powered by filtered supplies and clocked by a stable external clock signal. Noise
injected into the PLL circuitry via VDDPLL and VSSPLL and variation in crystal oscillator frequency increase the Cjitter percentage
for a given interval
11 Based on slow system clock of 40 MHz measured at f
sys max.
Table 26. GPIO Timing
Num
Characteristic
Symbol
Min
Max
Unit
G1
CLKOUT high to GPIO output valid
tCHPOV
—10
ns
G2
CLKOUT high to GPIO output invalid
tCHPOI
1.5
ns
G3
GPIO input valid to CLKOUT high
tPVCH
9—
ns
G4
CLKOUT high to GPIO input invalid
tCHPI
1.5
ns
G1
CLKOUT
GPIO Outputs
G2
G3
G4
GPIO Inputs
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