R5S72030W200FP Renesas Electronics America, R5S72030W200FP Datasheet - Page 456
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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Section 10 Direct Memory Access Controller (DMAC)
Choose to detect DREQ by either the edge or level of the signal input with the DL and DS bits in
CHCR_0 to CHCR_3 as shown in table 10.6. The source of the transfer request does not have to
be the data transfer source or destination. When DREQ is detected by a rising/falling edge and
DMA transfer is performed in burst mode, the transfer continues until DMATCR reaches 0 by one
DMA transfer request. In cycle steal mode, one DMA transfer is performed by one request.
Table 10.6 Selecting External Request Detection with DL and DS Bits
When DREQ is accepted, the DREQ pin enters the request accept disabled state (non-sensitive
period). After issuing acknowledge DACK signal for the accepted DREQ, the DREQ pin again
enters the request accept enabled state.
When DREQ is used by level detection, there are following two cases by the timing to detect the
next DREQ after outputting DACK.
Overrun 0: Transfer is terminated after the same number of transfer has been performed as
requests.
Overrun 1: Transfer is terminated after transfers have been performed for (the number of requests
plus 1) times.
The DO bit in CHCR selects this overrun 0 or overrun 1.
Table 10.7 Selecting External Request Detection with DO Bit
Rev. 3.00 Sep. 28, 2009 Page 424 of 1650
REJ09B0313-0300
DL Bit
0
1
CHCR
DO Bit
0
1
CHCR
DS Bit
0
1
0
1
Detection of External Request
Low-level detection
Falling-edge detection
High-level detection
Rising-edge detection
External Request
Overrun 0
Overrun 1
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