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H8S2245 Datasheet(PDF) 293 Page - Renesas Technology Corp

Part # H8S2245
Description  Renesas 16-Bit Single-Chip Microcomputer H8S Family / H8S/2200 Series
PDF  818 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

H8S2245 Datasheet(HTML) 293 Page - Renesas Technology Corp

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Section 8 I/O Ports
Rev.3.00 Mar. 26, 2007 Page 251 of 772
REJ09B0355-0300
Modes 2 and 6
In modes 2 and 6, port B pins function as address outputs or input ports. Input or output can be
specified on an individual bit basis. Setting a PBDDR bit to 1 makes the corresponding port B pin
an address output, while clearing the bit to 0 makes the pin an input port.
Note:
Modes 2 and 6 cannot be used in the H8S/2240.
Port B pin functions in modes 2 and 6 are shown in figure 8.12.
A15
A14
A13
A12
A11
A10
A9
A8
PB7
PB6
PB5
PB4
PB3
PB2
PB1
PB0
(input)
(input)
(input)
(input)
(input)
(input)
(input)
(input)
When PBDDR = 1
When PBDDR = 0
(output)
(output)
(output)
(output)
(output)
(output)
(output)
(output)
Port B
Figure 8.12 Port B Pin Functions (Modes 2 and 6)
Modes 3 and 7
In modes 3 and 7, port B pins function as I/O ports. Input or output can be specified for each pin
on an individual bit basis. Setting a PBDDR bit to 1 makes the corresponding port B pin an output
port, while clearing the bit to 0 makes the pin an input port.
Note:
Modes 3 and 7 cannot be used in the H8S/2240.
Port B pin functions in modes 3 and 7 are shown in figure 8.13.



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