DF2376VFQ33V Renesas Electronics America, DF2376VFQ33V Datasheet - Page 338
![IC H8S/2376 MCU FLASH 144LQFP](/photos/28/61/286116/144-lqfp__plqp0144kc-a_sml.jpg)
DF2376VFQ33V
Manufacturer Part Number
DF2376VFQ33V
Description
IC H8S/2376 MCU FLASH 144LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Specifications of DF2376VFQ33V
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
30K 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
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2376VFQ33V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 6 Bus Controller (BSC)
6.11.1
In externally expanded mode, the bus can be released to an external device by setting the BRLE
bit to 1 in BCR. Driving the BREQ pin low issues an external bus request to this LSI. When the
BREQ pin is sampled, at the prescribed timing the BACK pin is driven low, and the address bus,
data bus, and bus control signals are placed in the high-impedance state, establishing the external
bus released state.
In the external bus released state, internal bus masters except the EXDMAC can perform accesses
using the internal bus. When an internal bus master wants to make an external access, it
temporarily defers initiation of the bus cycle, and waits for the bus request from the external bus
master to be canceled. If a refresh request is generated in the external bus released state, or if a
SLEEP instruction is executed to place the chip in software standby mode or all-module-clocks-
stopped mode, refresh control and software standby or all-module-clocks-stopped control is
deferred until the bus request from the external bus master is canceled.
If the BREQOE bit is set to 1 in BCR, the BREQO pin can be driven low when any of the
following requests are issued, to request cancellation of the bus request externally.
• When an internal bus master wants to perform an external access
• When a refresh request is generated
• When a SLEEP instruction is executed to place the chip in software standby mode or all-
When the BREQ pin is driven high, the BACK pin is driven high at the prescribed timing and the
external bus released state is terminated.
If an external bus release request and external access occur simultaneously, the order of priority is
as follows:
If a refresh request and external bus release request occur simultaneously, the order of priority is
as follows:
Rev.7.00 Mar. 18, 2009 page 270 of 1136
REJ09B0109-0700
module-clocks-stopped mode
(High) External bus release > External access by internal bus master (Low)
(High) Refresh > External bus release (Low)
Operation
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