Block Diagram - Hitachi H8S/2215 Series Hardware Manual

• A multiprocessor communication function is provided that enables serial data
communication with a number of processors
Clocked Synchronous mode
• Data length: 8 bits
• Receive error detection: Overrun errors detected
• SCI select function (SCI_0): TxD0 = high-impedance and SCK0 = fixed high-level input can
selected when IRQ7 = 1)
• Serial data communication can be carried out with other chips that have a synchronous
communication function
13.1.1

Block Diagram

Figure 13.1 shows the block diagram of the SCI_0. Figure 13.2 shows the block diagram of the
SCI_1 and SCI_2.
Rev. 3.0, 10/02, page 358 of 686