HD64F36077GHV Renesas Electronics America, HD64F36077GHV Datasheet - Page 100

• Manufacturer Part Number: HD64F36077GHV
• Description: 16BIT MCU FLASH 56K, SMD, LQFP64
• Manufacturer: Renesas Electronics America

Specifications of HD64F36077GHV

• No. Of I/o's: 47
• Ram Memory Size: 4KB
• Cpu Speed: 20MHz
• No. Of Timers: 4
• Digital Ic Case Style: LQFP
• Supply Voltage Range: 4.5V
• Core Size: 16bit
• Program Memory Size: 56KB
• Oscillator Type: External Only
• Controller Family/series: H8/300H
• Peripherals: ADC
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Section 5 Clock Pulse Generator
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. 1.00 Sep. 16, 2005 Page 70 of 490
REJ09B0216-0100
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