HD64F2638F20J Renesas Electronics America, HD64F2638F20J Datasheet - Page 960

• Manufacturer Part Number: HD64F2638F20J
• Description: IC H8S MCU FLASH 256K 128-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2600r

Specifications of HD64F2638F20J

• Core Processor: H8S/2600
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: CAN, SCI, SmartCard
• Peripherals: Motor Control PWM, POR, PWM, WDT
• Number Of I /o: 72
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 12x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 128-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Section 22A Clock Pulse Generator
(H8S/2636 Group, H8S/2638 Group, H8S/2630 Group)
External Clock
Table 22A-4 and figure 22A-7 show the input conditions for the external clock.
Table 22A-4 External Clock Input Conditions
Item
External clock input
low pulse width
External clock input
high pulse width
External clock rise time
External clock fall time
Page 910 of 1458
EXTAL
t
EXr
Figure 22A-7 External Clock Input Timing
Symbol
t
t
t
t
EXL
EXH
EXr
EXf
Min.
15
15
—
—
t
EXH
V
CC
= 5.0 V ±10%
Max.
—
—
5
5
t
EXf
t
EXL
Unit
ns
ns
ns
ns
H8S/2639, H8S/2638, H8S/2636,
Test Conditions
Figure 22A-7
REJ09B0103-0800 Rev. 8.00
V
H8S/2630, H8S/2635 Group
CC
× 0.5
May 28, 2010