SH7108 Datasheet, PDF (459/560 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

Section 14 Pin Function Controller (PFC)
(2) Port E Control Registers L1, L2, and H (PECRL1, PECRL2, and PECRH) in SH7109
Register Bit
Bit Name
PECRH 15 to 12 —
Initial
Value R/W
All 0 R
PECRH 11
PECRH 10
PE21MD1 0*
R/W
PE21MD0 0*
R/W
PECRH 9
PECRH 8
PE20MD1 0*
R/W
PE20MD0 0*
R/W
PECRH 7
PECRH 6
PE19MD1 0*
R/W
PE19MD0 0*
R/W
PECRH 5
PECRH 4
PE18MD1 0*
R/W
PE18MD0 0*
R/W
PECRH 3
PECRH 2
PE17MD1 0*
R/W
PE17MD0 0*
R/W
PECRH 1
PECRH 0
PE16MD1 0*
R/W
PE16MD0 0*
R/W
PECRL1 15
PE15MD1 0
R/W
PECRL1 14
PE15MD0 0
R/W
PECRL1 13
PE14MD1 0
R/W
PECRL1 12
PE14MD0 0
R/W
Description
Reserved
These bits are always read as 0. The write value
should always be 0.
PE21 Mode
Select the function of the PE21/PWOB/A15 pin.
00: PE21 I/O (port)
10: Setting prohibited
01: PWOB output (MMT) 11: A15 output (BSC)
PE20 Mode
Select the function of the PE20/PVOB/A14 pin.
00: PE20 I/O (port)
10: Setting prohibited
01: PVOB output (MMT) 11: A14 output (BSC)
PE19 Mode
Select the function of the PE19/PUOB/A13 pin.
00: PE19 I/O (port)
10: Setting prohibited
01: PUOB output (MMT) 11: A13 output (BSC)
PE18 Mode
Select the function of the PE18/PWOA/A12 pin.
00: PE18 I/O (port)
10: Setting prohibited
01: PWOA output (MMT) 11: A12 output (BSC)
PE17 Mode
Select the function of the PE17/PVOA/WAIT/A11 pin.
00: PE17 I/O (port)
10: WAIT input (BSC)
01: PVOA output (MMT) 11: A11 output (BSC)
PE16 Mode
Select the function of the PE16/PUOA/A10 pin.
00: PE16 I/O (port)
10: Setting prohibited
01: PUOA output (MMT) 11: A10 output (BSC)
PE15 Mode
Select the function of the PE15/TIOC4D/IRQOUT pin.
00: PE15 I/O (port)
10: Setting prohibited
01: TIOC4D I/O (MTU) 11: IRQOUT output (INTC)
PE14 Mode
Select the function of the PE14/TIOC4C pin.
00: PE14 I/O (port)
10: Setting prohibited
01: TIOC4C I/O (MTU) 11: Setting prohibited
Rev.1.00 Sep. 18, 2008 Page 425 of 522
REJ09B0069-0100