DF61654N50FTV Renesas Electronics America, DF61654N50FTV Datasheet - Page 899

• Manufacturer Part Number: DF61654N50FTV
• Description: IC H8SX/1654 MCU FLASH 120TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8SX/1600r

Specifications of DF61654N50FTV

• Core Processor: H8SX
• Core Size: 32-Bit
• Speed: 50MHz
• Connectivity: I²C, IrDA, SCI, SmartCard, USB
• Peripherals: DMA, PWM, WDT
• Number Of I /o: 75
• Program Memory Size: 512KB (512K 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: 120-TQFP, 120-VQFP
• For Use With: HS0005KCU11H - EMULATOR E10A-USB H8S(X),SH2(A)3DK1657 - DEV EVAL KIT FOR H8SX/1657
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Table 21.3 Crystal Resonator Characteristics
21.2.2
An external clock signal can be input as the examples in Figure 21.4. When the XTAL pin is left
open, make the parasitic capacitance less than 10 pF. When the counter clock is input to the XTAL
pin, put the external clock in high level during standby mode.
Frequency (MHz)
R
C
S
0
Max. (pF)
Max. (Ω)
External Clock Input
8
80
EXTAL
Figure 21.4 External Clock Input (Examples)
EXTAL
EXTAL
XTAL
XTAL
Figure 21.5 External Clock Input Timing
t
EXr
(b) Counter clock input on XTAL pin
12
60
t
EXH
(a) XTAL pin left open
Open
t
EXL
t
EXf
7
External clock input
External clock input
16
50
Rev.1.00 Sep. 08, 2005 Page 849 of 966
Section 21 Clock Pulse Generator
Vcc
0.5
18
40
REJ09B0219-0100