HD64F2378RVFQ33 Renesas Electronics America, HD64F2378RVFQ33 Datasheet - Page 344
HD64F2378RVFQ33
Manufacturer Part Number
HD64F2378RVFQ33
Description
IC H8S MCU FLASH 512K 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Specifications of HD64F2378RVFQ33
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
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
32K 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
-
- Current page: 344 of 1208
- Download datasheet (8Mb)
Section 6 Bus Controller (BSC)
EXDMAC: The EXDMAC sends the bus arbiter a request for the bus when an activation request
is generated.
As the EXDMAC is used exclusively for transfers to and from the external bus, if the bus is
transferred to the EXDMAC, internal accesses by other internal bus masters are still executed in
parallel.
In normal transfer mode or cycle steal transfer mode, the EXDMAC releases the bus after a single
transfer.
In block transfer mode, it releases the bus after transfer of one block, and in burst transfer mode,
after completion of the transfer. By setting the BGUP bit to 1 in EDMDR, it is possible to specify
temporary release of the bus in the event of an external access request from an internal bus master.
For details see section 8, EXDMA Controller (EXDMAC).
Note: Not supported by the H8S/2375, H8S/2375R, H8S/2373, and H8S/2373R.
External Bus Release: When the BREQ pin goes low and an external bus release request is
issued while the BRLE bit is set to 1 in BCR, a bus request is sent to the bus arbiter.
External bus release can be performed on completion of an external bus cycle.
6.13
Bus Controller Operation in Reset
In a reset, this LSI, including the bus controller, enters the reset state immediately, and any
executing bus cycle is aborted.
Rev.7.00 Mar. 18, 2009 page 276 of 1136
REJ09B0109-0700
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