HD64F2338VFC25 Renesas Electronics America, HD64F2338VFC25 Datasheet - Page 179
HD64F2338VFC25
Manufacturer Part Number
HD64F2338VFC25
Description
MCU 3V 256K 144-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Datasheet
1.DF2338VFC25V.pdf
(1246 pages)
Specifications of HD64F2338VFC25
Core Processor
H8S/2000
Core Size
16-Bit
Speed
25MHz
Connectivity
SCI, SmartCard
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
106
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 12x10b; D/A 4x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
144-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
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Quantity
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Company:
Part Number:
HD64F2338VFC25
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Bit 4—Compare Match Flag (CMF): Status flag that indicates a match between the values of
RTCNT and RTCOR.
When refresh control is performed (RFSHE = 1), 1 should be written to the CMF bit when writing
to DRAMCR.
Bit 4
CMF
0
1
Bit 3—Compare Match Interrupt Enable (CMIE): Enables or disables interrupt requests (CMI)
by the CMF flag when the CMF flag in DRAMCR is set to 1.
When refresh control is performed (RFSHE = 1), the CMIE bit is always cleared to 0.
Bit 3
CMIE
0
1
Bits 2 to 0—Refresh Counter Clock Select (CKS2 to CKS0): These bits select the clock to be
input to RTCNT from among seven clocks obtained by dividing the system clock (φ). When the
input clock is selected with bits CKS2 to CKS0, RTCNT begins counting up.
Bit 2
CKS2
0
1
Description
[Clearing condition]
When 0 is written to CMF after reading CMF = 1
[Setting condition]
When RTCNT = RTCOR
Description
Interrupt request (CMI) by CMF flag disabled
Interrupt request (CMI) by CMF flag enabled
Bit 1
CKS1
0
1
0
1
Bit 0
CKS0
0
1
0
1
0
1
0
1
Description
Count operation disabled
Count uses φ/2
Count uses φ/8
Count uses φ/32
Count uses φ/128
Count uses φ/512
Count uses φ/2048
Count uses φ/4096
Rev.4.00 Sep. 07, 2007 Page 147 of 1210
REJ09B0245-0400
(Initial value)
(Initial value)
(Initial value)
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