HD6417751 Datasheet, PDF (48/1105 Pages) Renesas Technology Corp – SuperH RISC engine

Table 1.1 SH7751 Series Features (cont)
Item
Direct memory
access controller
(DMAC)
Features
• Physical address DMA controller
 SH7751: 4-channel
 SH7751R: 8-channel
• Transfer data size: 8, 16, 32, or 64 bits, or 32 bytes
• Address modes:
 1-bus-cycle single address mode
 2-bus-cycle dual address mode
• Transfer requests: External, on-chip peripheral module, or auto-requests
• Bus modes: Cycle-steal or burst mode
• Supports on-demand data transfer mode (external bus 32 bit)
Timer unit (TMU)
• 5-channel auto-reload 32-bit timer
Input-capture function on one channel
• Selection from 7 counter input clocks in 3 of 5 channels and from 5
counter input clocks on remaining 2 of 5 channels
Realtime clock
(RTC)
• On-chip clock and calendar functions
• Built-in 32 kHz crystal oscillator with maximum 1/256 second resolution
(cycle interrupts)
Serial
communication
interface
(SCI, SCIF)
• Two full-duplex communication channels (SCI, SCIF)
• Channel 1 (SCI):
 Choice of asynchronous mode or synchronous mode
 Supports smart card interface
• Channel 2 (SCIF):
 Supports asynchronous mode
 Separate 16-byte FIFOs provided for transmitter and receiver
Rev. 3.0, 04/02, page 8 of 1064