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Section 23 I/O Ports
Rev. 4.00 Sep. 14, 2005 Page 845 of 982
REJ09B0023-0400
Table 23.1 Port A Data Register (PADR) Read/Write Operations
PAnMD2 PAnMD1 Pin
Function Read
Write
0
0
Input
Pin state
Data is written to PADR, but does not affect
pin state.
1
Output
PADR value
Data is written to PADR and the value is
output from the pin.
1 0 Reserved
1
Other functions Pin state
Data is written to PADR, but does not affect
pin state.
(n = 0 to 14)
23.2 Port
B
Port B is a 9-bit input/output port with the pin configuration shown in figure 23.2. Each pin is
controlled by the port B control register (PBCR) in the PFC.
PTB8 (input/output)/DPLS (input)
Port B
PTB7 (input/output)/DMNS (input)
PTB6 (input/output)/TXDPLS (output)
PTB5 (input/output)/TXDMNS (output)
PTB4 (input/output)/TXENL (output)
PTB3 (input/output)/XVDATA (input)
PTB2 (input/output)/SUSPND (output)
PTB1 (input/output)/VBUS (input)
PTB0 (input/output)/UCLK (input)
Figure 23.2 Port B
23.2.1 Register
Description
Port B has the following register.
•
Port B data register (PBDR)
Summary of Contents for HD6417641
Page 2: ...Rev 4 00 Sep 14 2005 Page ii of l...
Page 7: ...Rev 4 00 Sep 14 2005 Page vii of l...
Page 11: ...Rev 4 00 Sep 14 2005 Page xi of l USB Universal serial bus WDT Watch dog timer...
Page 12: ...Rev 4 00 Sep 14 2005 Page xii of l...
Page 28: ...Rev 4 00 Sep 14 2005 Page xxviii of l...
Page 204: ...Section 4 Clock Pulse Generator CPG Rev 4 00 Sep 14 2005 Page 154 of 982 REJ09B0023 0400...
Page 212: ...Section 5 Watchdog Timer WDT Rev 4 00 Sep 14 2005 Page 162 of 982 REJ09B0023 0400...
Page 228: ...Section 6 Power Down Modes Rev 4 00 Sep 14 2005 Page 178 of 982 REJ09B0023 0400...
Page 246: ...Section 8 X Y Memory Rev 4 00 Sep 14 2005 Page 196 of 982 REJ09B0023 0400...
Page 318: ...Section 11 User Break Controller UBC Rev 4 00 Sep 14 2005 Page 268 of 982 REJ09B0023 0400...
Page 454: ...Section 12 Bus State Controller BSC Rev 4 00 Sep 14 2005 Page 404 of 982 REJ09B0023 0400...
Page 504: ...Section 14 U Memory Rev 4 00 Sep 14 2005 Page 454 of 982 REJ09B0023 0400...
Page 566: ...Section 17 Compare Match Timer CMT Rev 4 00 Sep 14 2005 Page 516 of 982 REJ09B0023 0400...
Page 868: ...Section 21 A D Converter Rev 4 00 Sep 14 2005 Page 818 of 982 REJ09B0023 0400...
Page 914: ...Section 23 I O Ports Rev 4 00 Sep 14 2005 Page 864 of 982 REJ09B0023 0400...
Page 956: ...Section 24 List of Registers Rev 4 00 Sep 14 2005 Page 906 of 982 REJ09B0023 0400...
Page 1016: ...Section 25 Electrical Characteristics Rev 4 00 Sep 14 2005 Page 966 of 982 REJ09B0023 0400...
Page 1024: ...Appendix Rev 4 00 Sep 14 2005 Page 974 of 982 REJ09B0023 0400...
Page 1032: ...Rev 4 00 Sep 14 2005 Page 982 of 982 REJ09B0023 0400 X X Y data addressing 52 X Y memory 193...
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