DF2238RTF6 Renesas Electronics America, DF2238RTF6 Datasheet - Page 834

• Manufacturer Part Number: DF2238RTF6
• Description: MCU 2.2/3V 256K 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2200r

Specifications of DF2238RTF6

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 6MHz
• Connectivity: I²C, SCI, SmartCard
• Peripherals: 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): 2.2 V ~ 3.6 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Other names: HD64F2238RTF6; HD64F2238RTF6

Section 23 Clock Pulse Generator
Table 23.3 shows the input conditions for the external clock. Table 23.4 shows the input
conditions for the external clock when duty adjustment circuit is not used.
Table 23.3 External Clock Input Conditions (1) (H8S/2258 Group)
Rev. 6.00 Mar. 18, 2010 Page 772 of 982
REJ09B0054-0600
Item
External clock input low
pulse width
External clock input high
pulse width
External clock rise time
External clock fall time
Clock low pulse width
Clock high pulse width
EXTAL
XTAL
EXTAL
XTAL
Figure 23.4 External Clock Input (Examples)
Symbol
t
t
t
t
t
t
EXL
EXH
EXr
EXf
CL
CH
(b) Complementary clock input at XTAL pin
(a) XTAL pin left open
Min
30
30
—
—
0.4
0.4
V
CC
= 4.0 V to 5.5 V
Open
Max
—
—
7
7
0.6
0.6
External clock input
External clock input
Unit
ns
ns
ns
ns
t
t
CYC
CYC
Test Conditions
Figure 23.5
Figure 27.10