DF3052BX25V Renesas Electronics America, DF3052BX25V Datasheet - Page 188
DF3052BX25V
Manufacturer Part Number
DF3052BX25V
Description
MCU 5V 512K 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Specifications of DF3052BX25V
Core Processor
H8/300H
Core Size
16-Bit
Speed
25MHz
Connectivity
SCI, SmartCard
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
70
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF3052BX25V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 7 Refresh Controller
When a refresh request occurs in the refresh request pending state, the refresh controller acquires
the bus right, then executes a refresh cycle. If another refresh request occurs during execution of
the refresh cycle, it is ignored.
Rev. 3.00 Mar 21, 2006 page 158 of 814
REJ09B0302-0300
Note:
Refresh
request *
Refresh
request *
*
A refresh request is ignored if it occurs while the refresh controller is requesting the
bus right or executing a refresh cycle.
Figure 7.3 State Transitions for Refresh Cycle Execution
Exit from reset or standby mode
Refresh request pending state
Executing refresh cycle
Requesting bus right
Refresh request
Refresh request
Bus granted
End of refresh
cycle
*
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