HD6435348R Hitachi Semiconductor, HD6435348R Datasheet - Page 145

• Manufacturer Part Number: HD6435348R
• Description: Single-Chip Microcomputer
• Manufacturer: 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 from SCI1.
data transfer (by clearing the RIE bit, for example).
Address
H'00A2
H'00A3
Figure 6-6 Use of DTC to Receive Data via Serial Communication Interface 1
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'FE
H'FC
RDR
H'20
H'00
H'00
H'00
H'80
Mode
Source address
Destination address
Counter
Transferred
by DTC