SH7144_08 Datasheet, PDF (645/930 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperHTM RISC engine Family/SH7144 Series

17. Pin Function Controller (PFC)
• Port A Control Registers L2, L1, and H (PACRL2, PACRL1 and PACRH) in the SH7145
Register Bit
Initial
Bit Name Value R/W Description
PACRH 15 ⎯
0
R
Reserved
PACRH 13 ⎯
PACRH ₁₁ ⎯
PACRH 9
⎯
0
R
These bits are always read as 0. The write value
0
R
should always be 0.
0
R
PACRH 3
⎯
0
R
PACRL1 15, ⎯
All 0 R
13,
11, 9,
7, 5
PACRL2 9, 7, ⎯
All 0 R
3, 1
PACRH 14 PA23MD 0*³
R/W PA23 Mode
Selects the function of the PA23/WRHH pin.
PACRH 12 PA22MD 0*³
0: PA23 I/O (port)
1: WRHH output (BSC)
R/W PA22 Mode
Selects the function of the PA22/WRHL pin.
0: PA22 I/O (port)
1: WRHL output (BSC)
PACRH 10 PA21MD 0
R/W PA21 Mode
Selects the function of the PA21/CS5 pin.
0: PA21 I/O (port)
1: CS5 output (BSC)*⁴
PACRH 8
PA20MD 0
R/W PA20 Mode
Selects the function of the PA20/CS4 pin.
0: PA20 I/O (port)
1: CS4 output (BSC)*⁴
PACRH 7
PACRH 6
PA19MD1 0
PA19MD0 0
R/W PA19 Mode
R/W Select the function of the PA19/BACK/DRAK1 pin.
00: PA19 I/O (port)
01: BACK output (BSC)
10: DRAK1 output (DMAC)
11: Setting prohibited
Rev.4.00 Mar. 27, 2008 Page 601 of 882
REJ09B0108-0400