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SH7751 Datasheet, PDF (105/1224 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer | |||
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1. Overview
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:
⯠Single address mode
⯠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 oscillation circuit 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.4.00 Oct. 10, 2008 Page 7 of 1122
REJ09B0370-0400
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