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參數(shù)資料
| 型號： | MX10FMAXDQC |
| 廠商： | MACRONIX INTERNATIONAL CO LTD |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, FLASH, 40 MHz, MICROCONTROLLER, PQCC44 |
| 封裝： | PLASTIC, MS-016A, LCC-44 |
| 文件頁數(shù)： | 23/26頁 |
| 文件大?。?/td> | 466K |
| 代理商： | MX10FMAXDQC |
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MX10FMAXDQC
Specifications subject to change without notice, contact your sales representatives for the most update information.
MX10FMAXDPC
REV. 1.1, MAR. 29, 2005
Table 2. Status of the External Pins during Idle and Power Down
Mode
Program Memory
ALE
PSEN
PORT0
PORT1
PORT2
PORT3
Idle
Internal
1
Data
Idle
External
1
Float
Data
Address
Data
Power Down
Internal
0
Data
Power Down
External
0
Float
Data
POWER DOWN MODE
To save even more power, a Power Down mode can be invoked by software. If this mode, the oscillator is stopped and
the instruction that invoked Power Down is the last instruction executed. The on-chip RAM and Special Function
Registers retain their values until the Power Down mode is terminated.
On the MX10C805X either a hardware reset or an external interrupt can cause an exit from Power Down. Reset
redefines all the SFRs but does not change the on-chip RAM. An external interrupt allows both the SFRs and on-chip
RAM to retain their values.
To properly terminate Power Down, the reset or external interrupt should not be executed before VCC is restored to its
normal operating level, and must be held active long enough for the oscillator to restart and stabilize (normally less
than 10 ms).
With an external interrupt, INT0 and INT1 must be enabled and configured as level-sensitive. Holding the pin low
restarts the oscillator but bringing the pin back high completes the exit. Once the interrupt is serviced, the next
instruction to be executed after RETI will be the one following the instruction that put the device into Power Down.
ABSOLUTE MAXIMUM RATING*
Ambient Temperature Under Bias
0
°C to 70°C
Storage Temperature
-65
°C to +150°C
Voltage on Any Other Pin to VSS
-0.5V to +6.5V
IOL Per I/O Pin
15mA
Power Dissipation
1.5W
(Based on PACKAGE heat transfer limitations, not device
consumption)
IDLE MODE
The user's software can invoke the Idle Mode. When the microcontroller is in this mode, power consumption is
reduced. The Special Function Registers and the onboard RAM retain their values during Idle, but the processor
stops executing instructions. Idle Mode will be exited if the chip is reset or if an enabled interrupt occurs.
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