DF2377RVFQ33 Renesas Electronics America, DF2377RVFQ33 Datasheet - Page 459
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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Transfer Requests from Multiple Channels in Auto Request Cycle Steal Mode: If transfer
requests for different channels are issued during a transfer in auto request cycle steal mode, the
operation depends on the channel priority. If the channel that made the transfer request is of higher
priority than the channel currently performing transfer, the channel that made the transfer request
is selected.
If the channel that made the transfer request is of lower priority than the channel currently
performing transfer, that channel’s transfer request is held pending, and the currently transferring
channel remains selected.
The selected channel begins transfer after the currently transferring channel releases the bus. If
there is a bus request from a bus master other than the EXDMAC at this time, a cycle for the other
bus master is initiated. If there is no other bus request, the bus is released for one cycle.
Figure 8.14 shows examples of transfer timing in cases that include auto request cycle steal mode.
φ
Address bus
EXDMA control
Channel 2
Channel 3
Figure 8.13 Example of Channel Priority Timing
Idle
Request
Request cleared
held
Channel 2
Selected
Channel 2 transfer
Request cleared
Channel 2
Channel 3
Rev.7.00 Mar. 18, 2009 page 391 of 1136
Section 8 EXDMA Controller (EXDMAC)
release
Bus
Channel 3 transfer
Channel 3
REJ09B0109-0700
release
Bus
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