HD64F38024DV Renesas Electronics America, HD64F38024DV Datasheet - Page 327

• Manufacturer Part Number: HD64F38024DV
• Description: IC H8/SLP MCU FLASH 80QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300L SLPr

Specifications of HD64F38024DV

• Core Processor: H8/300L
• Core Size: 8-Bit
• Speed: 10MHz
• Connectivity: SCI
• Peripherals: LCD, PWM, WDT
• Number Of I /o: 51
• Program Memory Size: 32KB (32K 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: -

9.6.2
Timer Control/Status Register W (TCSRW)
TCSRW is an 8-bit read/write register that controls write access to TCW and TCSRW itself,
controls watchdog timer operations, and indicates operating status.
Bit 7—Bit 6 Write Disable (B6WI)
Bit 7 controls the writing of data to bit 6 in TCSRW.
Bit 7
B6WI
0
1
This bit is always read as 1. Data written to this bit is not stored.
Bit 6—Timer Counter W Write Enable (TCWE)
Bit 6 controls the writing of data to TCW.
Bit 6
TCWE
0
1
Bit
Initial value
Read/Write
Notes: 1. Write is enabled only under certain conditions, which are given in the descriptions
Register Descriptions
2. Initial value is 0 on H8/38024, H8/38024S, and H8/38024R Group; initial value
of the individual bits.
is 1 on H8/38124 Group.
Description
Bit 6 is write-enabled
Bit 6 is write-protected
Description
Data cannot be written to TCW
Data can be written to TCW
B6WI
R
7
1
(R/W)
TCWE
6
0
*1
B4WI
R
5
1
TCSRWE
(R/W)
4
0
*1
Rev. 8.00 Mar. 09, 2010 Page 305 of 658
B2WI
R
3
1
WDON
(R/W)
0/1
2
*2
*1
B0WI
REJ09B0042-0800
Section 9 Timers
R
1
1
(initial value)
(initial value)
(R/W)
WRST
0
0
*1