DF36912GFH Renesas Electronics America, DF36912GFH Datasheet - Page 102

• Manufacturer Part Number: DF36912GFH
• Description: MCU 3/5V 8K 32-LQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300H Tinyr

Specifications of DF36912GFH

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 12MHz
• Connectivity: I²C, SCI
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 18
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 1.5K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 32-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Section 5 Clock Pulse Generators
5.2.2
RCTRMDPR controls RCTRMDPR itself and writing to RCTRMDR. Use the MOV instruction to
rewrite this register. Bit manipulation instruction cannot change the settings.
Rev. 3.00 Sep. 14, 2006 Page 72 of 408
REJ09B0105-0300
Bit
7
6
5
RC Trimming Data Protect Register (RCTRMDPR)
Bit Name
WRI
PRWE
LOCKDW
Initial
Value
1
0
0
R/W
W
R/W
R/W
Description
Write Inhibit
Only when writing 0 to this bit, this register can be written
to. This bit is always read as 1.
Protect Information Write Enable
Bits 5 and 4 can be written to when this bit is set to 1.
[Setting condition]
[Clearing conditions]
Trimming Data Register Lock Down
The RC trimming data register (RCTRMDR) cannot be
written to when this bit is set to 1. Once this bit is set to 1,
this register cannot be written to until a reset is input even
if 0 is written to this bit.
[Setting condition]
[Clearing condition]
When writing 0 to the WRI bit and writing 1 to the
PRWE bit
Reset
When writing 0 to the WRI bit and writing 0 to the
PRWE bit
When writing 0 to the WRI bit and writing 1 to the
LOCKDW bit while the PRWE bit is 1
Reset