R5F61668MZN50FPV Renesas Electronics America, R5F61668MZN50FPV Datasheet - Page 376
R5F61668MZN50FPV
Manufacturer Part Number
R5F61668MZN50FPV
Description
MCU FLASH 1024K ROM 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8SX/1600r
Datasheet
1.R5F61668MZN50FPV.pdf
(1416 pages)
Specifications of R5F61668MZN50FPV
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
1MB (1M x 8)
Program Memory Type
FLASH
Ram Size
56K 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
-
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Section 9 Bus Controller (BSC)
(6)
Depending on the system's load conditions, the RD signal may lag behind the CS signal. An
example is shown in figure 9.98. In this case, with the setting for no idle cycle insertion (a), there
may be a period of overlap between the RD signal in bus cycle A and the CS signal in bus cycle B.
Setting idle cycle insertion, as in (b), however, will prevent any overlap between the RD and CS
signals. In the initial state after reset release, idle cycle indicated in (b) is set.
Rev. 1.00 Jan. 29, 2010 Page 344 of 1380
REJ09B0596-0100
Bφ
Address bus
CS (area A)
CS (area B)
RD
Relationship between Chip Select (CS) Signal and Read (RD) Signal
Figure 9.98 Relationship between Chip Select (CS) and Read (RD)
(a) No idle cycle inserted
Overlap time may occur between the
CS (area B) and RD
T
Bus cycle A
1
(IDLS1 = 0)
T
2
T
3
Bus cycle B
T
1
T
2
(IDLS1 = 1, IDLSELn = 0, IDLCA1 = 0, IDLCA0 = 0)
T
Bus cycle A
1
(b) Idle cycle inserted
T
2
T
3
T
i
Bus cycle B
T
1
T
2
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