SH7280 Datasheet, PDF (1317/1726 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine family

Port B of SH7286 is an I/O port with 18 pins shown in figure 24.6.
Section 24 I/O Ports
Port B
PB19 (I/O) / RASU (output) / A25 (output) / DREQ2 (input)
PB18 (I/O) / RASL (output) / A24 (output) / DACK2 (output)
PB17 (I/O) / CASU (output) / A23 (output) / DREQ3 (input)
PB16 (I/O) / CASL (output) / A22 (output) / DACK3 (output)
PB15 (I/O) / CKE (output) / A21 (output)
PB14 (I/O) / CRx0 (input)
PB13 (I/O) / CTx0 (output)
PB12 (I/O) / TXD2 (output) / CS7 (output) / CS1 (output) / IRQ1 (input) / CS3 (output)
PB11 (I/O) / RXD2 (input) / CS6 (output) / CS0 (output) / IRQ0 (input) / CS2 (output)
PB10 (I/O)
PB9 (I/O) / USPND (output)
PB8 (I/O) / A20 (output) / WAIT (input) / POE8 (input) /IRQ7 (input) / SCK0 (I/O)
PB7 (I/O) / A19 (output) / BREQ (input) / POE4 (input) / IRQ6 (input) / TXD0 (output)
PB6 (I/O) / A18 (output) / BACK (output) / POE3 (input) / IRQ5 (input) / RXD0 (input)
PB3 (input) / SDA (I/O) / POE2 (input) / IRQ1 (input)
PB2 (input) / SCL (I/O) / POE1 (input) / IRQ0 (input)
PB1 (I/O) / A17 (output) / ADTRG (input) / IRQ4 (input) / REFOUT (output)
PB0 (I/O) / A16 (output) / IRQ3 (input)
Figure 24.6 Port B (SH7286)
24.2.1 Register Descriptions
Port B is a 7-bit I/O port in SH7243, 11-bit I/O port in SH7285 and 18-bit I/O port in SH7286.
Port B has the following registers. See section 30, List of Registers for details on the register
address and states in each operating mode.
Table 24.3 Register Configuration
Register Name
Abbreviation R/W
Port B data register H PBDRH
R/W
Port B data register L PBDRL
R/W
Port B port register H PBPRH
R
Port B port register L PBPRL
R
Initial Value
H'0000
H'0000


Address
H'FFFE3880
H'FFFE3882
H'FFFE389C
H'FFFE389E
Access Size
8, 16, 32
8, 16
8, 16, 32
8, 16
Rev. 1.00 Jun. 26, 2008 Page 1287 of 1692
REJ09B0393-0100