D12363VF33V Renesas Electronics America, D12363VF33V Datasheet - Page 266
![IC H8S/2363 MCU ROMLESS 128QFP](/photos/12/40/124072/d12363vf33v_sml.jpg)
D12363VF33V
Manufacturer Part Number
D12363VF33V
Description
IC H8S/2363 MCU ROMLESS 128QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Specifications of D12363VF33V
Core Processor
H8S/2000
Core Size
16-Bit
Speed
33MHz
Connectivity
I²C, IrDA, SCI, SmartCard
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
84
Program Memory Type
ROMless
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 10x10b, D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
128-QFP
For Use With
YR0K42378FC000BA - KIT EVAL FOR H8S/2378
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Available stocks
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Part Number:
D12363VF33V
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Section 6 Bus Controller (BSC)
6.10
This LSI can release the external bus in response to a bus request from an external device. In the
external bus released state, internal bus masters continue to operate as long as there is no external
access. If any of the following requests are issued in the external bus released state, the BREQO
signal can be driven low to output a 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-
6.10.1
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 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:
Rev.6.00 Mar. 18, 2009 Page 206 of 980
REJ09B0050-0600
module-clocks-stopped mode
module-clocks-stopped mode
Bus Release
Operation
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