R5F61662N50FPV Renesas Electronics America, R5F61662N50FPV Datasheet - Page 906

• Manufacturer Part Number: R5F61662N50FPV
• Description: MCU 24KB FLASH 384K 144-LQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8SX/1600r

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: -

Section 23 Clock Pulse Generator
Table 23.2 Crystal Resonator Characteristics
23.2.2
An external clock signal can be input as shown in the examples in figure 23.4. If the XTAL pin is
left open, make sure that parasitic capacitance is no more than 10 pF. When the counter clock is
input to the XTAL pin, make sure that the external clock is held high in standby mode.
Rev. 2.00 Sep. 16, 2009 Page 876 of 1036
REJ09B0414-0200
Frequency (MHz)
R
C
S
0
Max. (pF)
Max. (Ω)
External Clock Input
EXTAL
Figure 23.4 External Clock Input (Examples)
EXTAL
EXTAL
XTAL
XTAL
Figure 23.5 External Clock Input Timing
8
80
t
EXr
(b) Counter clock input on XTAL pin
t
EXH
(a) XTAL pin left open
12
60
Open
t
EXL
t
EXf
External clock input
External clock input
7
16
50
Vcc × 0.5
18
40