SH7080_09 Datasheet, PDF (1128/1622 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family

Section 21 Pin Function Controller (PFC)
Initial
Bit
Bit Name Value R/W Description
1
PA24MD1 0
R/W PA24 Mode
0
PA24MD0 0
R/W Select the function of the PA24/CE2A/DREQ3 pin.
00: PA24 I/O (port)
01: CE2A output (BSC)*
10: DREQ3 input (DMAC)
Other than above: Setting prohibited
Note: * This function is enabled only in the on-chip ROM enabled/disabled external-extension
mode. Do not set 1 in single-chip mode.
• Port A Control Register H2 (PACRH2)
Bit: 15
-
Initial value: 0
R/W: R
14 13 12 11
-
PA23 PA23
MD1 MD0
-
0
0 0* 0
R R/W R/W R
10 9
8
7
-
PA22 PA22
MD1 MD0
-
0
0 0* 0
R R/W R/W R
6
5
4
3
-
PA21 PA21
MD1 MD0
-
0
0
0
0
R R/W R/W R
Note: * The initial value is 1 in the on-chip ROM disabled 32-bit external-extension mode.
2
1
0
-
PA20 PA20
MD1 MD0
0
0
0
R R/W R/W
Initial
Bit
Bit Name Value R/W Description
15, 14 ⎯
All 0
R
Reserved
These bits are always read as 0. The write value
should always be 0.
13
PA23MD1 0
R/W PA23 Mode
12
PA23MD0 0*¹
R/W Select the function of the
PA23/WRHH/ICIOWR/AH/DQMUU/TIC5W pin.
00: PA23 I/O (port)
01: WRHH/ICIOWR/AH/DQMUU output (BSC)*²
11: TIC5W input (MTU2)
Other than above: Setting prohibited
11, 10 ⎯
All 0
R
Reserved
These bits are always read as 0. The write value
should always be 0.
Rev. 4.00 Dec. 15, 2009 Page 1068 of 1558
REJ09B0181-0400