SH7059 Datasheet, PDF (678/1042 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

22. Pin Function Controller (PFC)
PCCR is initialized to H'0000 by a power-on reset (excluding a WDT power-on reset), in hardware standby mode, and in
software standby mode. It is not initialized in sleep mode.
• Bits 15 to 9—Reserved: These bits are always read as 0. The write value should always be 0.
• Bit 8—PC4 Mode Bit (PC4MD): Selects the function of pin PC4/IRQ0.
Bit 8: PC4MD
0
1
Description
General input/output (PC4)
Interrupt request input (IRQ0)
(Initial value)
• Bits 7 and 6—PC3 Mode Bit 1, 0 (PC3MD1, PC3MD0): Selects the function of pin PC3/RxD2/SSI1.
Bit 7: PC3MD1
0
1
Bit 6: PC3MD0
0
1
0
1
Description
General input/output (PC3)
Receive data input (RxD2)
Receive data input (SSI1)
Reserved (Do not set)
(Initial value)
• Bits 5 and 4—PC2 Mode Bit 1, 0 (PC2MD1, PC2MD0): Selects the function of pin PC2/TxD2/SSO1.
Bit 5: PC2MD1
0
1
Bit 4: PC2MD0
0
1
0
1
Description
General input/output (PC2)
Transmit data output (TxD2)
Transmit data output (SSO1)
Reserved (Do not set)
(Initial value)
• Bit 3—Reserved: This bit is always read as 0. The write value should always be 0.
• Bit 2—PC1 Mode Bit (PC1MD): Selects the function of pin PC1/RxD1.
Bit 2: PC1MD
0
1
Description
General input/output (PC1)
Receive data input (RxD1)
(Initial value)
• Bit 1—Reserved: This bit is always read as 0. The write value should always be 0.
• Bit 0—PC0 Mode Bit (PC0MD): Selects the function of pin PC0/TxD1.
Bit 0: PC0MD
0
1
Description
General input/output (PC0)
Transmit data output (TxD1)
(Initial value)
Rev.3.00 Mar. 12, 2008 Page 588 of 948
REJ09B0177-0300