DF2377RVFQ33W Renesas Electronics America, DF2377RVFQ33W Datasheet - Page 343
![IC H8S MCU FLASH 3V 384K 144LQFP](/photos/28/61/286116/144-lqfp__plqp0144kc-a_sml.jpg)
DF2377RVFQ33W
Manufacturer Part Number
DF2377RVFQ33W
Description
IC H8S MCU FLASH 3V 384K 144LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Datasheet
1.YR0K42378FC000BA.pdf
(1208 pages)
Specifications of DF2377RVFQ33W
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
-40°C ~ 85°C
Package / Case
144-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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DF2377RVFQ33W
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6.12.2
Even if a bus request is received from a bus master with a higher priority than that of the bus
master that has acquired the bus and is currently operating, the bus is not necessarily transferred
immediately. There are specific timings at which each bus master can relinquish the bus.
CPU: The CPU is the lowest-priority bus master, and if a bus request is received from the DTC,
DMAC, or EXDMAC * , the bus arbiter transfers the bus to the bus master that issued the request.
The timing for transfer of the bus is as follows:
• The bus is transferred at a break between bus cycles. However, if a bus cycle is executed in
• With bit manipulation instructions such as BSET and BCLR, the sequence of operations is:
• If the CPU is in sleep mode, the bus is transferred immediately.
Note: * Not supported by the H8S/2375, H8S/2375R, H8S/2373, and H8S/2373R.
DTC: The DTC sends the bus arbiter a request for the bus when an activation request is generated.
The DTC can release the bus after a vector read, a register information read (3 states), a single data
transfer, or a register information write (3 states). It does not release the bus during a register
information read (3 states), a single data transfer, or a register information write (3 states).
DMAC: The DMAC sends the bus arbiter a request for the bus when an activation request is
generated.
In the case of an external request in short address mode or normal mode, and in cycle steal mode,
the DMAC releases the bus after a single transfer.
In block transfer mode, it releases the bus after transfer of one block, and in burst mode, after
completion of the transfer. However, in the event of an EXDMAC or external bus release request,
which have a higher priority than the DMAC, the bus may be transferred to the bus master even if
block or burst transfer is in progress.
discrete operations, as in the case of a longword-size access, the bus is not transferred between
the component operations.
data read (read), relevant bit manipulation operation (modify), write-back (write). The bus is
not transferred during this read-modify-write cycle, which is executed as a series of bus cycles.
Bus Transfer Timing
Rev.7.00 Mar. 18, 2009 page 275 of 1136
Section 6 Bus Controller (BSC)
REJ09B0109-0700
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