Datasheet

Section 14 IEBus™ Controller (IEB) [H8S/2258 Group]
Rev. 6.00 Mar. 18, 2010 Page 497 of 982
REJ09B0054-0600
14.2 Input/Output Pins
Table 14.6 shows the IEB pin configuration.
Table 14.6 Pin Configuration
Name Abbreviation I/O Function
IEBus transmit data pin Tx Output Transmit data output pin
IEBus receive data pin Rx Input Receive data input pin
14.3 Register Descriptions
The IEB has the following registers. For the module stop control register, see section 24.1.2,
Module Stop Control Registers A to C (MSTPCRA to MSTPCRC).
• IEBus control register (IECTR)
• IEBUS command register (IECMR)
• IEBus master control register (IEMCR)
• IEBus master unit address register 1 (IEAR1)
• IEBus master unit address register 2 (IEAR2)
• IEBus slave address setting register 1 (IESA1)
• IEBus slave address setting register 2 (IESA2)
• IEBus transmit message length register (IETBFL)
• IEBus transmit buffer register (IETBR)
• IEBus reception master address register 1 (IEMA1)
• IEBus reception master address register 2 (IEMA2)
• IEBus receive control field register (IERCTL)
• IEBus receive message length register (IERBFL)
• IEBus receive buffer register (IERBR)
• IEBus lock address register 1 (IELA1)
• IEBus lock address register 2 (IELA2)
• IEBus general flag register (IEFLG)
• IEBus transmit/runaway status register (IETSR)
• IEBus transmit/runaway interrupt enable register (IEIET)
• IEBus transmit error flag register (IETEF)
• IEBus receive status register (IERSR)
• IEBus receive interrupt enable register (IEIER)