DF38122HWV Renesas Electronics America, DF38122HWV Datasheet - Page 328

• Manufacturer Part Number: DF38122HWV
• Description: IC H8/38122 MCU FLASH 80QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300L SLPr

Specifications of DF38122HWV

• Core Processor: H8/300L
• Core Size: 8-Bit
• Speed: 10MHz
• Connectivity: SCI
• Peripherals: LCD, POR, PWM, WDT
• Number Of I /o: 50
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 80-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Section 9 Timers
Bit 5—Bit 4 Write Disable (B4WI)
Bit 5 controls the writing of data to bit 4 in TCSRW.
Bit 5
B4WI
0
1
This bit is always read as 1. Data written to this bit is not stored.
Bit 4—Timer Control/Status Register W Write Enable (TCSRWE)
Bit 4 controls the writing of data to bits 2 and 0 in TCSRW.
Bit 4
TCSRWE
0
1
Bit 3—Bit 2 Write Inhibit (B2WI)
Bit 3 controls the writing of data to bit 2 in TCSRW.
Bit 3
B2WI
0
1
This bit is always read as 1. Data written to this bit is not stored.
Bit 2—Watchdog Timer On (WDON)
Bit 2 enables watchdog timer operation.
Rev. 8.00 Mar. 09, 2010 Page 306 of 658
REJ09B0042-0800
Description
Bit 4 is write-enabled
Bit 4 is write-protected
Description
Data cannot be written to bits 2 and 0
Data can be written to bits 2 and 0
Description
Bit 2 is write-enabled
Bit 2 is write-protected
(initial value)
(initial value)
(initial value)