DF2377RVFQ33 Renesas Electronics America, DF2377RVFQ33 Datasheet - Page 417
DF2377RVFQ33
Manufacturer Part Number
DF2377RVFQ33
Description
IC H8S MCU FLASH 3V 384K 144LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Datasheet
1.YR0K42378FC000BA.pdf
(1208 pages)
Specifications of DF2377RVFQ33
Core Processor
H8S/2000
Core Size
16-Bit
Speed
33MHz
Connectivity
I²C, IrDA, SCI, SmartCard
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
97
Program Memory Size
384KB (384K x 8)
Program Memory Type
FLASH
Ram Size
24K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 16x10b; D/A 6x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
144-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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7.5.13
When the DMAC accesses external space, contention with a refresh cycle, EXDMAC cycle, or
external bus release cycle may arise. In this case, the bus controller will suspend the transfer and
insert a refresh cycle, EXDMAC cycle, or external bus release cycle, in accordance with the
external bus priority order, even if the DMAC is executing a burst transfer or block transfer. (An
external access by the DTC or CPU, which has a lower priority than the DMAC, is not executed
until the DMAC releases the external bus.)
When the DMAC transfer mode is dual address mode, the DMAC releases the external bus after
an external write cycle. The external read cycle and external write cycle are inseparable, and so the
bus cannot be released between these two cycles.
When the DMAC accesses internal space (on-chip memory or an internal I/O register), the DMAC
cycle may be executed at the same time as a refresh cycle, EXDMAC cycle, or external bus
release cycle.
Relation between DMAC and External Bus Requests, Refresh Cycles,
and EXDMAC
Rev.7.00 Mar. 18, 2009 page 349 of 1136
Section 7 DMA Controller (DMAC)
REJ09B0109-0700
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