HD6417751RF240V Renesas Electronics America, HD6417751RF240V Datasheet - Page 489
HD6417751RF240V
Manufacturer Part Number
HD6417751RF240V
Description
MPU 1.5/3.3V 0K PB-FREE 256-QFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7750r
Datasheet
1.D6417751RBP200DV.pdf
(1226 pages)
Specifications of HD6417751RF240V
Core Processor
SH-4
Core Size
32-Bit
Speed
240MHz
Connectivity
EBI/EMI, FIFO, SCI, SmartCard
Peripherals
DMA, POR, WDT
Number Of I /o
39
Program Memory Type
ROMless
Ram Size
48K x 8
Voltage - Supply (vcc/vdd)
1.4 V ~ 1.6 V
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
256-QFP Exposed Pad, 256-eQFP, 256-HQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD6417751RF240V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Bit 7—Compare-Match Flag (CMF): Status flag that indicates a match between the refresh
timer counter (RTCNT) and refresh time constant register (RTCOR) values.
Bit 7: CMF
0
1
Note:
Bit 6—Compare-Match Interrupt Enable (CMIE): Controls generation or suppression of an
interrupt request when the CMF flag is set to 1 in RTCSR. Do not set this bit to 1 when CAS-
before-RAS refreshing or auto-refreshing is used.
Bit 6: CMIE
0
1
Bits 5 to 3—Clock Select Bits (CKS2–CKS0): These bits select the input clock for RTCNT. The
base clock is the external bus clock (CKIO). The RTCNT count clock is obtained by scaling CKIO
by the specified factor.
Bit 5: CKS2
0
1
*
If 1 is written, the original value is retained.
Bit 4: CKS1
0
1
0
1
Description
RTCNT and RTCOR values do not match
[Clearing condition]
When 0 is written to CMF
RTCNT and RTCOR values match
[Setting condition]
When RTCNT = RTCOR*
Description
Interrupt requests initiated by CMF are disabled
Interrupt requests initiated by CMF are enabled
Bit 3: CKS0
0
1
0
1
0
1
0
1
Description
Clock input disabled
Bus clock (CKIO)/4
CKIO/16
CKIO/64
CKIO/256
CKIO/1024
CKIO/2048
CKIO/4096
Rev.4.00 Oct. 10, 2008 Page 389 of 1122
13. Bus State Controller (BSC)
REJ09B0370-0400
(Initial value)
(Initial value)
(Initial value)
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