R5S72030W200FP Renesas Electronics America, R5S72030W200FP Datasheet - Page 455
R5S72030W200FP
Manufacturer Part Number
R5S72030W200FP
Description
IC SUPERH MPU ROMLESS 240QFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7200r
Specifications of R5S72030W200FP
Core Processor
SH2A-FPU
Core Size
32-Bit
Speed
200MHz
Connectivity
CAN, I²C, SCI, SSI, SSU, USB
Peripherals
DMA, LCD, POR, PWM, WDT
Number Of I /o
82
Program Memory Type
ROMless
Ram Size
80K x 8
Voltage - Supply (vcc/vdd)
1.1 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
240-QFP
For Use With
R0K572030S000BE - KIT DEV FOR SH7203HS0005KCU11H - EMULATOR E10A-USB H8S(X),SH2(A)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
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10.4.2
DMA transfer requests are basically generated in either the data transfer source or destination, but
they can also be generated in external devices and on-chip peripheral modules that are neither the
transfer source nor destination.
Transfers can be requested in three modes: auto request, external request, and on-chip peripheral
module request. The request mode is selected by the RS[3:0] bits in CHCR_0 to CHCR_7 and
DMARS0 to DMARS3.
(1)
When there is no transfer request signal from an external source, as in a memory-to-memory
transfer or a transfer between memory and an on-chip peripheral module unable to request a
transfer, the auto-request mode allows the DMAC to automatically generate a transfer request
signal internally. When the DE bits in CHCR_0 to CHCR_7 and the DME bit in DMAOR are set
to 1, the transfer begins so long as the TE bits in CHCR_0 to CHCR_7, and the AE and NMIF bits
in DMAOR are 0.
(2)
In this mode a transfer is performed at the request signals (DREQ0 to DREQ3) of an external
device. Choose one of the modes shown in table 10.5 according to the application system. When
the DMA transfer is enabled (DE = 1, DME = 1, TEMASK = 0 or 1 (TE = 0 when TEMASK = 0),
AE = 0, NMIF = 0 for level detection; DE = 1, DME = 1, TE = 0, AE = 0, NMIF = 0 for edge
detection), DMA transfer is performed upon a request at the DREQ input.
Table 10.5 Selecting External Request Modes with the RS Bits
RS[3] RS[2] RS[1] RS[0] Address Mode
0
0
Auto-Request Mode
External Request Mode
0
0
DMA Transfer Requests
0
1
0
0
1
Dual address mode
Single address mode External memory,
Section 10 Direct Memory Access Controller (DMAC)
Transfer Source
Any
memory-mapped
external device
External device with
DACK
Rev. 3.00 Sep. 28, 2009 Page 423 of 1650
Transfer
Destination
Any
External device with
DACK
External memory,
memory-mapped
external device
REJ09B0313-0300
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