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Section 32 General Purpose I/O Ports
Page 1700 of 2108 R01UH0134EJ0400 Rev. 4.00
Sep 24, 2014
SH7262 Group, SH7264 Group
Bit Bit Name Initial Value R/W Description
1, 0 PB4MD[1:0] 00/01 R/W PB4 Mode
Select the function of the PB4.
Boot mode 0
00: Setting prohibited
01: A4 (initial value)
10: Setting prohibited
11: Setting prohibited
Boot mode 1 to 3
00: PB4 (initial value)
01: A4 (initial value)
10: TIOC0A
11: Setting prohibited
(6) Port B Control Register 0 (PBCR0)
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
R R R R/W R R R R/W R R R R/W R R R R
--
PB3
MD0
---
PB2
MD0
---
PB1
MD0
-----
Bit:
Initial value:
R/W:
Bit Bit Name Initial Value R/W Description
15 to 13 All 0 R Reserved
These bits are always read as 0. The write
value should always be 0.
12 PB3MD0 0/1 R/W PB3 Mode
Select the function of the PB3.
Boot mode 0
0: Setting prohibited
1: A3 (initial value)
Boot mode 1 to 3
0: PB3 (initial value)
1: A3
11 to 9 All 0 R Reserved
These bits are always read as 0. The write
value should always be 0.
8 PB2MD0 0/1 R/W PB2 Mode
Select the function of the PB2.
Boot mode 0
0: Setting prohibited
1: A2 (initial value)
Boot mode 1 to 3
0: PB2 (initial value)
1: A2