SH7751 Datasheet, PDF (1197/1224 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

D. Pin Functions
• When PLL2 is not used
⎯ VDD-PLL2: Power supply
⎯ VSS-PLL2: Power supply
• When on-chip crystal oscillator is not used
⎯ XTAL:
Leave unconnected
⎯ VDD-CPG: Power supply
⎯ VSS-CPG: Power supply
Table D.4 Handling of Pins When PCI Is Not Used
Pin Name
I/O
Handling
AD31–AD31
CBE3–CBE0
I/O
Pull up to 3.3 V*
I/O
Pull up to 3.3 V
PAR
SERR
PERR
I/O
Pull up to 3.3 V
I/O
Pull up to 3.3 V
I/O
Pull up to 3.3 V
PCILOCK
PCISTOP
I/O
Pull up to 3.3 V
I/O
Pull up to 3.3 V
DEVSEL
I/O
TRDY
I/O
IRDY
I/O
PCIFRAME
I/O
PCIREQ4–PCIREQ2
I/O
PCIREQ1
I
PCIGNT4–PCIGNT2
O
Pull up to 3.3 V
Pull up to 3.3 V
Pull up to 3.3 V
Pull up to 3.3 V
Pull up to 3.3 V
Pull up to 3.3 V
Pull up to 3.3 V
PCIGNT1
O
Pull up to 3.3 V
PCICLK
I
Pull up to 3.3 V
PCIRST
O
Leave unconnected
IDSEL
INTA
I
Pull down to low level when IDSEL is not in use
O
Leave unconnected
Note: * When not used as a general-purpose I/O port.
D.3 Note on Pin Processing
To prevent unwanted effects on other pins when using external pull-up or pull-down resistors, use
independent pull-up or pull-down resistors for individual pins.
Rev.4.00 Oct. 10, 2008 Page 1099 of 1122
REJ09B0370-0400