參數(shù)資料
型號: MCF52221CAF80
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, FLASH, 66 MHz, RISC MICROCONTROLLER, PQFP100
封裝: 14 X 14 MM, 1.40 MM HEIGHT, ROHS COMPLIANT, LQFP-100
文件頁數(shù): 22/55頁
文件大小: 980K
代理商: MCF52221CAF80
MCF52223 ColdFire Microcontroller, Rev. 3
Electrical Characteristics
Freescale Semiconductor
29
Figure 5. Plot of Current Consumption in Low-Power Modes
Table 23. Typical Active Current Consumption Specifications
Characteristic
Symbol
Typical1
Active
(SRAM)
1 Tested at room temperature with CPU polling a status register. All clocks were off except the UART and CFM (when
running from flash memory).
Typical1
Active
(Flash)
Peak2
Active
(Flash)
2 Peak current measured with all modules active, CPU polling a status register, and default drive strength with matching
load.
Unit
8 MHz core & I/O
IDD
811
18
mA
16 MHz core & I/O
11
19
33
64 MHz core & I/O
35
44
82
80 MHz core & I/O
43
52
98
RAM standby supply current
Normal operation: VDD > VSTBY - 0.3 V
Transient condition: VSTBY - 0.3 V > VDD > VSS + 0.5 V
Standby operation: VDD < VSS + 0.5 V
ISTBY
0.4
TBD
16
A
Analog supply current
Normal operation
Standby mode
Powered down
IDDA
2(see note 3)
3 Tested using Auto Power Down (APD), which powers down the ADC between conversions; ADC running at 4 MHz in
Once Parallel mode with a sample rate of 3 kHz.
13
TBD
0
mA
USB supply current
IDDUSB
2
mA
PLL supply current
IDDPLL
6(see note 4)
4 Tested with the PLL MFD set to 7 (max value). Setting the MFD to a lower value results in lower current consumption.
mA
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