參數(shù)資料
型號： PIC16CR7X
廠商： Microchip Technology Inc.
英文描述： 28/40-Pin, 8-Bit CMOS ROM Microcontrollers
中文描述： 28/40-Pin，8位微控制器的CMOS光盤
文件頁數(shù)： 40/172頁
文件大小： 1506K
代理商： PIC16CR7X
PIC16CR7X
DS21993C-page 38
2007 Microchip Technology Inc.
REGISTER 4-1:
TRISE: (ADDRESS 89h)
R-0
IBF
R-0
OBF
R/W-0
IBOV
R/W-0
PSPMODE
U-0
—
R/W-1
Bit 2
R/W-1
Bit 1
R/W-1
Bit 0
bit 7
bit 0
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
x = Bit is unknown
bit 7
Parallel Slave Port Status/Control bits:
IBF:
Input Buffer Full Status bit
1
= A word has been received and is waiting to be read by the CPU
0
= No word has been received
OBF
: Output Buffer Full Status bit
1
= The output buffer still holds a previously written word
0
= The output buffer has been read
IBOV
: Input Buffer Overflow Detect bit (in Microprocessor mode)
1
= A write occurred when a previously input word has not been read
(must be cleared in software)
0
= No overflow occurred
PSPMODE
: Parallel Slave Port Mode Select bit
1
= Parallel Slave Port mode
0
= General Purpose I/O mode
Unimplemented
: Read as ‘
0
’
PORTE Data Direction bits:
Bit 2
: Direction Control bit for pin RE2/CS/AN7
1
= Input
0
= Output
Bit 1
: Direction Control bit for pin RE1/WR/AN6
1
= Input
0
= Output
Bit 0
: Direction Control bit for pin RE0/RD/AN5
1
= Input
0
= Output
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
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