參數(shù)資料
型號(hào)： MB91F155PFV-G
廠商： FUJITSU LTD
元件分類： 微控制器/微處理器
英文描述： 32-bit Proprietary Microcontrollers
中文描述： 32-BIT, FLASH, 33 MHz, RISC MICROCONTROLLER, PQFP144
封裝： PLASTIC, LQFP-144
文件頁(yè)數(shù)： 16/104頁(yè)
文件大?。?/td> 918K
代理商： MB91F155PFV-G
MB91F155/MB91154
16
to the X0 and X1 pins simultaneously. However, when using the clock along with STOP (oscillation stopped)
mode, the X1 pin stops when “H” is input in STOP mode. To prevent one output from competing against another,
an external resistor of about 1 k
should be provided.
The following figure shows an example usage of an external clock.
Figure 2.1 An example usage of an external clock
4.
Care During Powering Up
When powering up
When turning on the power supply, never fail to start from setting the RST pin to “L” level. And after the power
supply voltage goes to V
CC
level, at least after ensuring the time for 5 machine cycle, then set to “H” level.
Source oscillation input
At turning on the power supply, never fail to input the clock before cancellation of the oscillation stabilizing
waiting.
Power on resetting
When powering up or when turning the power back on after the supply voltage drops below the operation
assurance range, be sure to reset the power.
Power on sequence (When Vcc2 is connected to Vcc
)
Turn on the power in the order of Vcc, AVcc and AVRH. The power should be disconnected in inverse order.
Even when an AD converter is not in use, connect AVcc to the Vcc level and AVss to the Vss level.
Even when a DA converter is not in use
,
connect DAVC to the Vcc level and DAVS to the Vss level.
5.
Powering Up and Backup Mode
This product type has a backup RAM and a Vcc2 power supply dedicated to the calendar macro. With respect
to the Vcc2 and backup pin, adhere to the following :
When turning on only Vcc2 with Vcc turned off, be sure that the BACK UP pin is on the “L” level.
Be sure that the BACK UP pin reaches the “H” level after Vcc is turned on. When Vcc is off, the BACK UP pin
must be on the “L” level.
When setting the BACK UP pin from the “H” to “L” level, be sure that the CPU is in stop mode.
X0
X1
MB91F155/MB91154
V
CC
V
CC
2
BACK UP
V
CC
2 ON
V
CC
ON
V
CC
ON
V
CC
OFF
CPU
operation
STOP
mode
Backing up
in progress
Note : Do not turn on Vcc from Vcc2 off state.
相關(guān)PDF資料
PDF描述
MB91154 32-bit Proprietary Microcontrollers
MB91155 32-bit Proprietary Microcontrollers
MB91F155A 32-bit Proprietary Microcontrollers
MB91F155APF-G 32-bit Proprietary Microcontrollers
MB91F155APFV-G 32-bit Proprietary Microcontrollers
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