SH7280 Datasheet, PDF (1144/1726 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine family

Section 23 Pin Function Controller (PFC)
Bit
6 to 4
3 to 0
Bit Name
Initial
Value R/W
PA21MD[2:0] 000 R/W

All 0 R
Description
PA21 Mode
Select the function of the
PA21/RASL/RASU/IRQ3/POE8/TIC5U pin.
000: PA21 I/O (port)
001: RASL output (BSC)
010: RASU output (BSC)
011: IRQ3 input (INTC)
100: POE8 input (POE2)
101: Setting prohibited
110: TIC5U input (MTU2)
111: Setting prohibited
Reserved
These bits are always read as 0. The write value
should always be 0.
• Port A Control Register L4 (PACRL4)
Bit: 15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
-
PA15MD[2:0]
-
PA14MD[2:0]
-
PA13MD[2:0]
-
PA12MD[2:0]
Initial value: 0
0
0 0*² 0
0
0 0*¹ 0
0
0 0*¹ 0
0
0
0*¹
R/W: R R/W R/W R/W R R/W R/W R/W R R/W R/W R/W R R/W R/W R/W
Notes: 1. The initial value is 1 during the on-chip ROM disabled external extension mode.
2. The initial value is 1 during the on-chip ROM enabled/disabled external extension mode.
Initial
Bit
Bit Name Value R/W Description
15

0
R
Reserved
This bit is always read as 0. The write value should
always be 0.
Rev. 1.00 Jun. 26, 2008 Page 1114 of 1692
REJ09B0393-0100