R5F61662N50FPV Renesas Electronics America, R5F61662N50FPV Datasheet - Page 219
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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8.5.3
This LSI can output chip select signals (CS0 to CS7) for areas 0 to 7. The signal outputs low when
the corresponding external address space area is accessed. Figure 8.8 shows an example of CSn (n
= 0 to 7) signal output timing.
Enabling or disabling of CSn signal output is set by the port function control register (PFCR). For
details, see section 11.3, Port Function Controller.
In on-chip ROM disabled extended mode, pin CS0 is placed in the output state after a reset. Pins
CS1 to CS7 are placed in the input state after a reset and so the corresponding PFCR bits should
be set to 1 when outputting signals CS1 to CS7.
In on-chip ROM enabled extended mode, pins CS0 to CS7 are all placed in the input state after a
reset and so the corresponding PFCR bits should be set to 1 when outputting signals CS0 to CS7.
The PFCR can specify multiple CS outputs for a pin. If multiple CSn outputs are specified for a
single pin by the PFCR, CS to be output are generated by mixing all the CS signals. In this case,
the settings for the external bus interface areas in which the CSn signals are output to a single pin
should be the same.
Figure 8.9 shows the signal output timing when the CS signals to be output to areas 5 and 6 are
output to the same pin.
Chip Select Signals
Figure 8.8 CSn Signal Output Timing (n = 0 to 7)
Bφ
Address bus
CSn
T
External address of area n
1
Bus cycle
T
2
Rev. 2.00 Sep. 16, 2009 Page 189 of 1036
T
3
Section 8 Bus Controller (BSC)
REJ09B0414-0200
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