参数资料
型号: MCF52235CAL60
厂商: Freescale Semiconductor
文件页数: 15/55页
文件大小: 0K
描述: IC MCU 256K FLASH 60MHZ 112-LQFP
标准包装: 60
系列: MCF5223x
核心处理器: Coldfire V2
芯体尺寸: 32-位
速度: 60MHz
连通性: CAN,以太网,I²C,SPI,UART/USART
外围设备: DMA,LVD,POR,PWM,WDT
输入/输出数: 73
程序存储器容量: 256KB(256K x 8)
程序存储器类型: 闪存
RAM 容量: 32K x 8
电压 - 电源 (Vcc/Vdd): 3 V ~ 3.6 V
数据转换器: A/D 8x12b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 112-LQFP
包装: 托盘
配用: M52235EVB-ND - BOARD EVAL FOR MCF52235
MCF52235 ColdFire Microcontroller Data Sheet, Rev. 10
MCF52235 Family Configurations
Freescale Semiconductor
22
1.3
Reset Signals
Table 4 describes signals that are used to either reset the chip or as a reset indication.
1.4
PLL and Clock Signals
Table 5 describes signals that are used to support the on-chip clock generation circuitry.
1.5
Mode Selection
Table 6 describes signals used in mode selection, Table 6 describes particular clocking modes.
1.6
External Interrupt Signals
Table 7 describes the external interrupt signals.
Table 4. Reset Signals
Signal Name
Abbreviation
Function
I/O
Reset In
RSTI
Primary reset input to the device. Asserting RSTI immediately resets
the CPU and peripherals.
I
Reset Out
RSTO
Driven low for 512 CPU clocks after the reset source has deasserted.
O
Table 5. PLL and Clock Signals
Signal Name
Abbreviation
Function
I/O
External Clock In
EXTAL
Crystal oscillator or external clock input.
I
Crystal
XTAL
Crystal oscillator output.
O
Clock Out
CLKOUT
This output signal reflects the internal system clock.
O
Table 6. Mode Selection Signals
Signal Name
Abbreviation
Function
I/O
Reset Configuration
RCON
The Serial Flash Programming mode is entered by asserting the
RCON pin (with the TEST pin negated) as the chip comes out of
reset. During this mode, the EzPort has access to the Flash memory
which can be programmed from an external device.
Test
TEST
Reserved for factory testing only and in normal modes of operation
should be connected to VSS to prevent unintentional activation of
test functions.
I
Table 7. External Interrupt Signals
Signal Name
Abbreviation
Function
I/O
External Interrupts
IRQ[15:1]
External interrupt sources.
I
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