HD6475328-CP10 HITACHI [Hitachi Semiconductor], HD6475328-CP10 Datasheet - Page 144

• Manufacturer Part Number: HD6475328-CP10
• Description: original Hitachi CMOS microcomputer unit (MCU)
• Manufacturer: HITACHI [Hitachi Semiconductor]

6. When 128 bytes have been transferred (DTCR = 0), the DTC generates a CPU interrupt. The
7. The user-coded RXI interrupt-handling routine processes the received data and disables further
Figure 6-6 shows the DTC vector table and data in RAM for this example.
interrupt type is RXI.
data transfer (by clearing the RIE bit, for example).
Address
H'00AA
H'00AB
Figure 6-6 Use of DTC to Receive Data via Serial Communication Interface
DTC vector table
H'FB
H'80
Address
H'FC7F
H'FC00
H'FB80
H'FB81
H'FB87
126
SCI
Receive data 128
Receive data 1
Receive data 2
RAM
H'DD
H'FC
H'FF
RDR
H'20
H'00
H'00
H'00
H'80
Mode
Source address
Destination address
Counter
Transferred
by DTC