DF2238RTF6 Renesas Electronics America, DF2238RTF6 Datasheet - Page 231

• 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

7.3.3
WCRH and WCRL select the number of program wait states for each area.
Program waits are not inserted in the case of on-chip memory or internal I/O registers.
• WCRH
Bit
7
6
5
4
Bit Name
W71
W70
W61
W60
Wait Control Registers H and L (WCRH, WCRL)
Initial Value R/W
1
1
1
1
R/W
R/W
R/W
R/W
Description
Area 7 Wait Control 1 and 0
These bits select the number of program wait states
when area 7 in external space is accessed while the
AST7 bit in ASTCR is set to 1.
00: Program wait not inserted when external space area
01: 1 program wait state inserted when external space
10: 2 program wait states inserted when external space
11: 3 program wait states inserted when external space
Area 6 Wait Control 1 and 0
These bits select the number of program wait states
when area 6 in external space is accessed while the
AST6 bit in ASTCR is set to 1.
00: Program wait not inserted when external space area
01: 1 program wait state inserted when external space
10: 2 program wait states inserted when external space
11: 3 program wait states inserted when external space
7 is accessed
area 7 is accessed
area 7 is accessed
area 7 is accessed
6 is accessed
area 6 is accessed
area 6 is accessed
area 6 is accessed
Rev. 6.00 Mar. 18, 2010 Page 169 of 982
Section 7 Bus Controller
REJ09B0054-0600