R5F61662N50FPV Renesas Electronics America, R5F61662N50FPV Datasheet - Page 253
R5F61662N50FPV
Manufacturer Part Number
R5F61662N50FPV
Description
MCU 24KB FLASH 384K 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8SX/1600r
Datasheet
1.R0K561622S000BE.pdf
(1070 pages)
Specifications of R5F61662N50FPV
Core Processor
H8SX
Core Size
16/32-Bit
Speed
50MHz
Connectivity
EBI/EMI, I²C, IrDA, SCI, SmartCard, USB
Peripherals
DMA, LVD, POR, PWM, WDT
Number Of I /o
92
Program Memory Size
384KB (384K 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
144-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
R5F61662N50FPV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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8.8
In this LSI, external address space areas 0 and 1 can be designated as burst ROM space, and burst
ROM interfacing performed. The burst ROM interface enables ROM with page access capability
to be accessed at high speed.
Areas 1 and 0 can be designated as burst ROM space by means of bits BSRM1 and BSRM0 in
BROMCR. Consecutive burst accesses of up to 32 words can be performed, according to the
setting of bits BSWDn1 and BSWDn0 (n = 0, 1) in BROMCR. From one to eight cycles can be
selected for burst access.
Settings can be made independently for area 0 and area 1.
In the burst ROM interface, the burst access covers only CPU read accesses. Other accesses are
performed with the similar method to the basic bus interface.
8.8.1
Burst ROM interface can be specified for areas 0 and 1. Areas 0 and 1 can be specified as burst
ROM space by setting bits BSRMn (n = 0, 1) in BROMCR.
8.8.2
The bus width of the burst ROM space can be specified as 8-bit or 16-bit burst ROM interface
space according to the ABWHn and ABWLn bits (n = 0, 1) in ABWCR.
For the 8-bit bus width, data bus (D7 to D0) is valid. For the 16-bit bus width, data bus (D15 to
D0) is valid.
Access size and data alignment are the same as the basic bus interface. For details, see section
8.5.6, Endian and Data Alignment.
Burst ROM Interface
Burst ROM Space Setting
Data Bus
Rev. 2.00 Sep. 16, 2009 Page 223 of 1036
Section 8 Bus Controller (BSC)
REJ09B0414-0200
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