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H8S/2218 数据表(PDF) 295 Page - Renesas Technology Corp

部件名 H8S/2218
功能描述  16-Bit Single-Chip Microcomputer H8S Family/H8S/2200 Series
PDF  750 Pages
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制造商  RENESAS [Renesas Technology Corp]
网页  http://www.renesas.com
标志 RENESAS - Renesas Technology Corp

H8S/2218 数据表(HTML) 295 Page - Renesas Technology Corp

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Section 8 I/O Ports
Rev.6.00 Jun. 03, 2008 Page 247 of 698
REJ09B0074-0600
8.8.4
Port C Pull-Up MOS Control Register (PCPCR)
PCPCR controls the on/off state of the port C input pull-up MOS.
Bit
Bit Name Initial Value
R/W
Description
7
6
5
4
3
2
1
0
PC7PCR
PC6PCR
PC5PCR
PC4PCR
PC3PCR
PC2PCR
PC1PCR
PC0PCR
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
When a pin functions as an input port, setting the
corresponding bit to 1 turns on the input pull-up MOS for
that pin.
8.8.5
Pin Functions
Port C pins also function as address bus (A7 to A0) output pins. The correspondence between the
register specification and the pin functions is shown below.
Note:
When using the RTC and USB with the emulator (E6000), set A7 to A0 as address bus
output pins.
Table 8.46
PC7 Pin Function
Operating Mode
Modes 4 and 5
Mode 6
Mode 7
PC7DDR
⎯
0
1
0
1
Pin Function
A7
output pin
PC7
input pin
A7
output pin
PC7
input pin
PC7
output pin
Table 8.47
PC6 Pin Function
Operating Mode
Modes 4 and 5
Mode 6
Mode 7
PC6DDR
⎯
0
1
0
1
Pin Function
A6
output pin
PC6
input pin
A6
output pin
PC6
input pin
PC6
output pin



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