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Section 32 General Purpose I/O Ports
R01UH0134EJ0400 Rev. 4.00 Page 1693 of 2108
Sep 24, 2014
SH7262 Group, SH7264 Group
(2) Port B Control Register 4 (PBCR4)
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
0 0 0 0/1 0 0 0 0/1 0 0 0 0/1 0 0 0 0/1
R R R/W R/W R R R/W R/W R R R/W R/W R R R/W R/W
---
PB18MD[1:0] PB17MD[1:0] PB16MD[1:0]PB19MD[1:0]
-- ---
Bit:
Initial value:
R/W:
Bit Bit Name Initial 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, 12 PB19MD[1:0] 00/01 R/W PB19 Mode
Select the function of the PB19.
Boot mode 0
00: Setting prohibited
01: A19 (initial value)
10: Setting prohibited
11: Setting prohibited
Boot mode 1 to 3
00: PB19 (initial value)
01: A19
10: TIOC4D
11: Setting prohibited
11, 10 All 0 R Reserved
These bits are always read as 0. The write
value should always be 0.
9, 8 PB18MD[1:0] 00/01 R/W PB18 Mode
Select the function of the PB18.
Boot mode 0
00: Setting prohibited
01: A18 (initial value)
10: Setting prohibited
11: Setting prohibited
Boot mode 1 to 3
00: PB18 (initial value)
01: A18
10: TIOC4C
11: Setting prohibited
7, 6 All 0 R Reserved
These bits are always read as 0. The write
value should always be 0.