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M38C31M7AXXXFS 数据表(PDF) 68 Page - Renesas Technology Corp

部件名 M38C31M7AXXXFS
功能描述  8-BIT SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 38000 SERIES
PDF  224 Pages
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制造商  RENESAS [Renesas Technology Corp]
网页  http://www.renesas.com
标志 RENESAS - Renesas Technology Corp

M38C31M7AXXXFS 数据表(HTML) 68 Page - Renesas Technology Corp

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2-3
APPLICATION
2.1 I/O port
38C3 Group User’s Manual
2.1.2 Relevant registers
Fig. 2.1.2 Structure of port Pi (i = 0, 1, 2, 3, 4, 5, 6, 8)
Fig. 2.1.3 Structure of port P7
Port Pi
b7 b6 b5 b4 b3 b2 b1 b0
Port Pi (i = 0, 1, 2, 3, 4, 5, 6, 8)
(Pi: addresses 0016, 0216, 0416, 0616, 0816, 0A16, 0C16, 1016)
b
0
0
Port Pi0
qIn output mode
Write •••••••• Port latch
Read •••••••• Port latch
qIn input mode
Write •••••••• Port latch
Read •••••••• Value of pin
Port Pi1
Port Pi2
Port Pi3
Port Pi4
Port Pi5
Port Pi6
Port Pi7
Functions
Name
At reset R W
1
0
2
0
3
0
4
0
5
0
6
0
7
0
Port P7
b7 b6 b5 b4 b3 b2 b1 b0
Port P7
(P7: address 0E16)
b
0
0
Port P70
qIn output mode
Write •••••••• Port latch
Read •••••••• Port latch
qIn input mode
Write •••••••• Port latch
Read •••••••• Value of pin
Port P71
Functions
Name
At reset R W
1
0
2
0
3
0
4
0
5
0
6
0
7
0
!!
!!
!!
!!
!!
!!
Nothing is arranged for these bits. When these
bits are read out, the contents are undefined.



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