參數(shù)資料
型號: UPD70F3261YGF-JBT-A
元件分類: 微控制器/微處理器
英文描述: 32-BIT, FLASH, 32 MHz, MICROCONTROLLER, PQFP100
封裝: 14 X 20 MM, PLASTIC, QFP-100
文件頁數(shù): 4/129頁
文件大小: 8549K
代理商: UPD70F3261YGF-JBT-A
CHAPTER 4 PORT FUNCTIONS
User’s Manual U16541EJ5V1UD
101
(4) Port n function control register (PFCn)
The PFCn register specifies the alternate function of a port pin to be used if the pin has two alternate functions.
Each bit of this register corresponds to one pin of port n, and the alternate function of a port pin can be
specified in 1-bit units.
PFCn7
PFCn6
PFCn5
PFCn4
PFCn3
PFCn2
PFCn1
PFCn0
PFCn
After reset: 00H
R/W
Alternate function 1
Alternate function 2
PFCnm
0
1
Specification of alternate function
(5) Port n function control expansion register (PFCEn)
The PFCEn register specifies the alternate function of a port pin to be used if the pin has three or more
alternate functions.
Each bit of this register corresponds to one pin of port n, and the alternate function of a port pin can be
specified in 1-bit units.
PFCn7
PFCn6
PFCn5
PFCn4
PFCn3
PFCn2
PFCn1
PFCn0
PFCEn7
PFCEn6
PFCEn5 PFCEn4
PFCEn3 PFCEn2
PFCEn1
PFCEn0
After reset: 00H
R/W
PFCEn
PFCn
Alternate function 1
Alternate function 2
Alternate function 3
Alternate function 4
PFCEnm
0
1
Specification of alternate function
PFCnm
0
1
0
1
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