R5F61668RN50FPV Renesas Electronics America, R5F61668RN50FPV Datasheet - Page 286

• Manufacturer Part Number: R5F61668RN50FPV
• Description: IC H8SX/1668 MCU FLASH 144LQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8SX/1600r

Specifications of R5F61668RN50FPV

• 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
• For Use With: R0K561668S000BE - KIT STARTER FOR H8SX/1668R0K561664S001BE - KIT STARTER FOR H8SX/1651HS0005KCU11H - EMULATOR E10A-USB H8S(X),SH2(A)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Section 9 Bus Controller (BSC)
Figure 9.21 shows an example of wait cycle insertion timing. After a reset, the 3-state access is
specified, the program wait is inserted for seven cycles, and the WAIT input is disabled.
Rev. 2.00 Sep. 24, 2008 Page 252 of 1468
REJ09B0412-0200
Read
Write
Bφ
WAIT
Address
CSn
AS
RD
Data bus
LHWR, LLWR
Data bus
BS
RD/WR
Figure 9.21 Example of Wait Cycle Insertion Timing
Notes: 1. Upward arrows indicate the timing of WAIT pin sampling.
2. n = 0 to 7
3. When RDNn = 0
T
1
T
2
Wait by
program
wait
T
pw
Write data
Wait by WAIT pin
T
tw
T
tw
T
3
Read
data