D12674RVFQ33D Renesas Electronics America, D12674RVFQ33D Datasheet - Page 306
![MCU 3V 0K I-TEMP 144-QFP](/photos/28/61/286116/144-lqfp__plqp0144kc-a_sml.jpg)
D12674RVFQ33D
Manufacturer Part Number
D12674RVFQ33D
Description
MCU 3V 0K I-TEMP 144-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2600r
Datasheet
1.D12674RVFQ33V.pdf
(981 pages)
Specifications of D12674RVFQ33D
Core Processor
H8S/2600
Core Size
16-Bit
Speed
33MHz
Connectivity
IrDA, SCI
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
103
Program Memory Type
ROMless
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 12x10b; D/A 4x8b
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
-
Program Memory Size
-
Other names
HD6412674RVFQ33D
HD6412674RVFQ33D
HD6412674RVFQ33D
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
D12674RVFQ33DV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 306 of 981
- Download datasheet (6Mb)
Section 6 Bus Controller (BSC)
Rev. 3.00 Mar 17, 2006 page 254 of 926
REJ09B0283-0300
Figure 6.85 Bus Release State Transition Timing when Synchronous DRAM Interface
DQMU, DQML
Precharge-sel
Address bus
SDRAM
Data bus
[1] Low level of BREQ signal is sampled at rise of f.
[2] PLL command is issued.
[3] Bus control signal returns to be high at end of external space access cycle.
[4] BACK signal is driven low, releasing bus to external bus master..
[5] BREQ signal state is also sampled in external bus released state.
[6] High level of BREQ signal is sampled.
[7] BACK signal is driven high, ending external bus release cycle.
[8] When there is external access or refresh request of internal bus master during
[9] BREQO signal goes high 1.5 states after rising edge of BACK signal. If BREQO
BREQO
BREQ
BACK
At least one state from sampling of BREQ signal.
external bus release while the BREQOE bit is set to 1, BREQO signal goes low.
signal is asserted because of auto-refreshing request, it retains low until auto-refresh cycle starts up.
RAS
CAS
CKE
WE
External space read
NOP
T
1
[1]
T
2
[2]
PALL
[3]
address
NOP
Row
[4]
External bus released state
[5]
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
[8]
[6]
[7]
NOP
[9]
CPU
cycle
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