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參數(shù)資料
| 型號： | MC68HC05V7 |
| 廠商： | Motorola, Inc. |
| 英文描述： | 8-Bit Microcontroller Units (MCU).(8位微控制器) |
| 中文描述： | 8位微控制器單元（MCU）。（8位微控制器） |
| 文件頁數(shù)： | 14/16頁 |
| 文件大?。?/td> | 295K |
| 代理商： | MC68HC05V7 |
MOTOROLA
14
AN1257/D
Figure 8. Exiting Standby Mode Flowchart
PRIMARY REGULATOR PUT
INTO STANDBY MODE IN
SOFTWARE; SUPPLY AT V
PIN WITHIN V-REG OPERATING
RANGE
SECONDARY
REGULATOR ENABLED;
PRIMARY REGULATOR IN
STANDBY MODE; V
/V
SSD
CLAMP ENGAGED
HAS
RISING EDGE
BEEN DETECTED AT
V
IGN
PIN
NO
YES
HAS
ACTIVITY BEEN DETECTED
AT BUS PIN
NO
YES
IS
V
DD
> MINIMUM
FOR MCU
OPERATION
NO
YES
A
IS
V
DD
> V
LVRR
NO
YES
Area within dotted line delineates user software
required for proper operation once primary
regulator is reenabled from standby mode.
PRIMARY REGULATOR ENABLED;
V
DD
/V
SSD
CLAMP RELEASED;
REGULATOR OUTPUT AT V
DD
PINS RISES TOWARD 5 V
LVR CIRCUIT HOLDS RESET
ASSERTED INTERNALLY
A
FOLLOWING 4064 CPU CLOCK
CYCLES, LVR CIRCUIT
RELEASES MCU RESET
INTERNALLY
INITIALIZATION ROUTINE
AA
INITIALIZATION ROUTINE
COMPLETED
AA
IS POR
CIRCUIT OUTPUT
> VIH
MIN
OF RST
PIN
POR CIRCUIT ON RST PIN
KEEPS RESET ASSERTED
EXTERNALLY AND INTERNALLY
NO
YES
POR CIRCUIT RELEASES
RST PIN EXTERNALLY
AAAAAA
AAAAAA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
CPU FETCHES PROGRAM
STARTING ADDRESS FROM
RESET VECTOR; USER
PROGRAM SEQUENCE
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|---|---|
| MC68HC05X16 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:High-density complementary metal oxide semiconductor HCMOS) microcontroller unit |
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| MC68HC05X4 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS Microcontroller Unit |
| MC68HC05X4CDW | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS Microcontroller Unit |
| MC68HC05X4DW | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS Microcontroller Unit |
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