SH7014 Datasheet, PDF (490/754 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

16. Pin Function Controller (PFC)
Bits 9 and 8⎯PB4 Mode 1, 0 (PB4MD1 and PB4MD0): PB4MD1 and PB4MD0 select the
function of the PB4/IRQ2/CASH pin.
Bit 9
PB4MD1
0
1
Bit 8
PB4MD0
0
1
0
1
Description
General input/output (PB4)
(initial value)
Interrupt request input (IRQ2)
Reserved
Column address strobe (CASH) (PB4 in single-chip mode)
Bits 7 and 6⎯PB3 Mode 1, 0 (PB3MD1 and PB3MD0): PB3MD1 and PB3MD0 select the
function of the PB3/IRQ1/CASL pin.
Bit 7
PB3MD1
0
1
Bit 6
PB3MD0
0
1
0
1
Description
General input/output (PB3)
(initial value)
Interrupt request input (IRQ1)
Reserved
Column address strobe (CASL) (PB3 in single-chip mode)
Bits 5 and 4⎯PB2 Mode 1, 0 (PB2MD1 and PB2MD0): PB2MD1 and PB2MD0 select the
function of the PB2/IRQ0/RAS pin.
Bit 5
PB2MD1
0
1
Bit 4
PB2MD0
0
1
0
1
Description
General input/output (PB2)
(initial value)
Interrupt request input (IRQ0)
Reserved
Row address strobe (RAS) (PB2 in single-chip mode)
Bit 3⎯Reserved: This bit always reads as 0. The write value should always be 0.
Rev.5.00 Sep. 27, 2007 Page 456 of 716
REJ09B0398-0500