M16C/62P Group (M16C/62P, M16C/62PT)
21. Programmable I/O Ports
Rev.2.41
Jan 10, 2006
Page 260 of 390
REJ09B0185-0241
Figure 21.4
I/O Ports (4)
P9_3, P9_4
P9_6
P9_5
Data bus
Direction register
Pull-up selection
Port latch
Analog input
Input to respective peripheral functions
P10_0 to P10_3
(Inside dotted-line
not included)
P10_4 to P10_7
(Inside dotted-line
included)
D/A output enabled
Analog output
“1”
Output
Direction register
Direction register
Direction register
Data bus
Data bus
Data bus
Port latch
Port latch
Port latch
Analog input
Analog input
Pull-up selection
Pull-up selection
Pull-up selection
Input to respective peripheral functions
Input to respective peripheral functions
D/A output enabled
“1”
Output
NOTES:
1.
Symbolizes a parasitic diode.
Make sure the input voltage on each port will not exceed VCC.
VCC: VCC1 for the port P6 to P11 and P14, and VCC2 for the port P0 to P5 and P12 to P13.
(NOTE 1)
(NOTE 1)
(NOTE 1)
(NOTE 1)
http://www.xinpian.net
提供单片机解密、IC解密、芯片解密业务
010-62245566 13810019655