DF2238RTF6 Renesas Electronics America, DF2238RTF6 Datasheet - Page 622

• 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 15 Serial Communication Interface (SCI)
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×: Don’t care
Rev. 6.00 Mar. 18, 2010 Page 560 of 982
REJ09B0054-0600
Bit
1
0
Bit Name
CKE1
CKE0
Initial
Value
0
0
R/W
R/W
R/W
Description
Clock Enable 0 and 1
Selects the clock source and SCK pin function.
Asynchronous mode
00: On-chip baud rate generator
01: On-chip baud rate generator
1×: External clock
Clocked synchronous mode
0×: Internal clock (SCK pin functions as clock
1×: External clock (SCK pin functions as clock
SCK pin functions as I/O port
Outputs a clock of the same frequency as the
bit rate from the SCK pin.
Inputs a clock with a frequency 16 times the bit
rate from the SCK pin.
output)
input)