DF61654N50FTV Renesas Electronics America, DF61654N50FTV Datasheet - Page 276
![IC H8SX/1654 MCU FLASH 120TQFP](/photos/12/21/122199/df61654n50ftv_sml.jpg)
DF61654N50FTV
Manufacturer Part Number
DF61654N50FTV
Description
IC H8SX/1654 MCU FLASH 120TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8SX/1600r
Datasheet
1.DF61653N50FTV.pdf
(1020 pages)
Specifications of DF61654N50FTV
Core Processor
H8SX
Core Size
32-Bit
Speed
50MHz
Connectivity
I²C, IrDA, SCI, SmartCard, USB
Peripherals
DMA, PWM, WDT
Number Of I /o
75
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
40K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
120-TQFP, 120-VQFP
For Use With
HS0005KCU11H - EMULATOR E10A-USB H8S(X),SH2(A)3DK1657 - DEV EVAL KIT FOR H8SX/1657
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF61654N50FTV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 276 of 1020
- Download datasheet (6Mb)
Section 6 Bus Controller (BSC)
• During transfer information read
• During the first data transfer
• During transfer information write back
The DTC releases the bus when the consecutive transfer cycles completed.
(3)
The DMAC sends the internal bus arbiter a request for the bus when an activation request is
generated. When the DMAC accesses an external bus space, the DMAC first takes control of the
bus from the internal bus arbiter and then requests a bus to the external bus arbiter.
After the DMAC takes control of the bus, it may continue the transfer processing cycles or release
the bus at the end of every bus cycle depending on the conditions.
The DMAC continues transfers without releasing the bus in the following case:
• Between the read cycle in the dual-address mode and the write cycle corresponding to the read
If no bus master of a higher priority than the DMAC requests the bus and the IBCCS bit in BCR2
is cleared to 0, the DMAC continues transfers without releasing the bus in the following cases:
• During 1-block transfers in the block transfer mode
• During transfers in the burst mode
In other cases, the DMAC transfers the bus at the end of the bus cycle.
(4)
When the BREQ pin goes low and an external bus release request is issued while the BRLE bit in
BCR1 is set to 1 with the corresponding ICR bit set to 1, a bus request is sent to the bus arbiter.
External bus release can be performed on completion of an external bus cycle.
Rev.1.00 Sep. 08, 2005 Page 226 of 966
REJ09B0219-0100
cycle
DMAC
External Bus Release
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