HD64F7144F50V Renesas Electronics America, HD64F7144F50V Datasheet - Page 225
HD64F7144F50V
Manufacturer Part Number
HD64F7144F50V
Description
IC SUPERH MCU FLASH 256K 112QFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7144r
Specifications of HD64F7144F50V
Core Processor
SH-2
Core Size
32-Bit
Speed
50MHz
Connectivity
EBI/EMI, I²C, SCI
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
74
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
112-QFP
For Use With
HS0005KCU11H - EMULATOR E10A-USB H8S(X),SH2(A)EDK7145 - DEV EVALUATION KIT SH7145
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Price
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Company:
Part Number:
HD64F7144F50V
Manufacturer:
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Quantity:
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Part Number:
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Bit
1
0
Note:
Bit Name Initial Value
NMIF
DME
*
Only 0 can be written to clear the flag.
0
0
R/W
R/(W)*
R/W
Description
NMI Flag
Indicates input of an NMI. This bit is set irrespective
of whether the DMAC is operating or suspended. If
this bit is set during a data transfer, transfers on all
channels are suspended. The CPU is unable to write
a 1 to the NMIF. Clearing is effected by a 0 write
after 1 read.
0: No NMI interrupt, DMA transfer enabled
[Clearing condition]
Write NMIF = 0 after reading NMIF = 1
1: NMI has occurred, DMA transfer prohibited
[Setting condition]
NMI interrupt occurrence
DMAC Master Enable
This bit enables activation of the entire DMAC. When
the DME bit and DE bit of the CHCR for the
corresponding channel are set to 1, that channel is
transfer-enabled. If this bit is cleared during a data
transfer, transfers on all channels are suspended.
0: Disable operation on all channels
1: Enable operation on all channels
Even when the DME bit is set, when the TE bit of the
CHCR is 1, or its DE bit is 0, transfer is disabled
when NMI of the DMAOR = 1 or when AE = 1.
10. Direct Memory Access Controller (DMAC)
Rev.4.00 Mar. 27, 2008 Page 179 of 882
REJ09B0108-0400
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