HD6432646 Hitachi, HD6432646 Datasheet - Page 215

• Manufacturer Part Number: HD6432646
• Description: (HD64F264x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

8.1
The H8S/2646 Series includes a data transfer controller (DTC). The DTC can be activated by an
interrupt or software, to transfer data.
8.1.1
Transfer possible over any number of channels
Wide range of transfer modes
Direct specification of 16-Mbyte address space possible
Transfer can be set in byte or word units
A CPU interrupt can be requested for the interrupt that activated the DTC
Activation by software is possible
Module stop mode can be set
Transfer information is stored in memory
One activation source can trigger a number of data transfers (chain transfer)
Normal, repeat, and block transfer modes available
Incrementing, decrementing, and fixing of source and destination addresses can be selected
24-bit transfer source and destination addresses can be specified
An interrupt request can be issued to the CPU after one data transfer ends
An interrupt request can be issued to the CPU after the specified data transfers have
completely ended
The initial setting enables DTC registers to be accessed. DTC operation is halted by setting
module stop mode.
Overview
Features
Section 8 Data Transfer Controller (DTC)
181