DS72030W200FPV Renesas Electronics America, DS72030W200FPV Datasheet - Page 534

• Manufacturer Part Number: DS72030W200FPV
• Description: MPU, 32BIT, SH7203, ROMLESS, 240QFP
• Manufacturer: Renesas Electronics America
• Series: SH7200r

Specifications of DS72030W200FPV

• Core Size: 32bit
• Program Memory Size: 32KB
• Cpu Speed: 200MHz
• Digital Ic Case Style: QFP
• No. Of Pins: 240
• Supply Voltage Range: 1.1V To 1.3V
• Operating Temperature Range: -20°C To +85°C
• Svhc: No SVHC
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Section 11 Multi-Function Timer Pulse Unit 2 (MTU2)
11.3.15 Timer Read/Write Enable Register (TRWER)
TRWER is an 8-bit readable/writable register that enables or disables access to the registers and
counters which have write-protection capability against accidental modification in channels 3 and
4.
• Registers and counters having write-protection capability against accidental modification
Rev. 3.00 Sep. 28, 2009 Page 502 of 1650
REJ09B0313-0300
Bit
7 to 1
0
22 registers: TCR_3, TCR_4, TMDR_3, TMDR_4, TIORH_3, TIORH_4, TIORL_3,
TIORL_4, TIER_3, TIER_4, TGRA_3, TGRA_4, TGRB_3, TGRB_4, TOER, TOCR1,
TOCR2, TGCR, TCDR, TDDR, TCNT_3, and TCNT4.
Bit Name
—
RWE
Initial value:
Initial
Value
All 0
1
R/W:
Bit:
R
7
0
-
R/W
R
R/W
R
6
0
-
Description
Reserved
These bits are always read as 0. The write value should
always be 0.
Read/Write Enable
Enables or disables access to the registers which have
write-protection capability against accidental
modification.
0: Disables read/write access to the registers
1: Enables read/write access to the registers
[Clearing condition]
•
R
5
0
-
When 0 is written to the RWE bit after reading
RWE = 1
R
4
0
-
R
3
0
-
R
2
0
-
R
1
0
-
RWE
R/W
0
1