參數(shù)資料
型號(hào): MB91151APMC-G
廠商: FUJITSU LTD
元件分類: 微控制器/微處理器
英文描述: RISC MICROCONTROLLER, PQFP144
封裝: 20 X 20 MM, 1.70 MM HEIGHT, 0.50 MM PITCH, PLASTIC, LFQFP-144
文件頁(yè)數(shù): 29/96頁(yè)
文件大?。?/td> 2300K
代理商: MB91151APMC-G
MB91151A Series
DS07-16312-2E
35
I/O Port (attached with the open drain output function and a pull-up resistor)
Notes :
Pull-up resistor setup register (PCR) R/W
Controls turning the pull-up resistor on/off.
0 : Pull-up resistor disabled
1 : Pull-up resistor enabled
Open drain control register (OCR) R/W
Controls open drain in output mode.
0 : Standard output port during output mode
1 : Open-drain output port during output mode
This register has no significance in input mode (output High-Z) . Input/output mode is determined by
the direction register (DDR) .
Priority is also given to the setting of the pull-up resistor control register in stop mode.
When a relevant pin is used as an external bus pin, neither function is available. Do not write “1” to either
register.
Data bus
PDR read
0
1
0
1
pin
Resource input
Resource output
allowed
PDR
DDR
OCR
PCR
PDR
DDR
OCR
PCR
: Port Data Register
: Data Direction Register
: OpenDrain Control Register
: Pull-up Control Register
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