DF71251AD50FPV Renesas Electronics America, DF71251AD50FPV Datasheet - Page 184
DF71251AD50FPV
Manufacturer Part Number
DF71251AD50FPV
Description
MCU RISC FLASH 32K 8K 64LQFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH Tinyr
Datasheet
1.DF71243N50FPV.pdf
(794 pages)
Specifications of DF71251AD50FPV
Core Processor
SH-2
Core Size
32-Bit
Speed
50MHz
Connectivity
SCI
Peripherals
POR, PWM, WDT
Number Of I /o
37
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
64-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF71251AD50FPV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 184 of 794
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9.3.1
The TCR registers are 8-bit readable/writable registers that control the TCNT operation for each
channel. The MTU2 has a total of eight TCR registers, one each for channels 0 to 4 and three
(TCRU_5, TCRV_5, and TCRW_5) for channel 5. TCR register settings should be conducted
only when TCNT operation is stopped.
[Legend]
x:
Rev. 5.00 Mar. 06, 2009 Page 164 of 770
REJ09B0243-0500
Bit
7 to 5
4, 3
2 to 0
Don't care
Bit Name
CCLR[2:0]
CKEG[1:0]
TPSC[2:0]
Timer Control Register (TCR)
Initial value:
Initial
Value
000
00
000
R/W:
Bit:
R/W
7
0
R/W
R/W
R/W
R/W
CCLR[2:0]
R/W
6
0
Description
These bits select the TCNT counter clearing source.
See tables 9.4 and 9.5 for details.
These bits select the input clock edge. When the input
clock is counted using both edges, the input clock
period is halved (e.g. MPφ/4 both edges = MPφ/2 rising
edge). If phase counting mode is used on channels 1
and 2, this setting is ignored and the phase counting
mode setting has priority. Internal clock edge selection
is valid when the input clock is MPφ/4 or slower. When
MPφ/1, or the overflow/underflow of another channel is
selected for the input clock, although values can be
written, counter operation compiles with the initial value.
00: Count at rising edge
01: Count at falling edge
1x: Count at both edges
Time Prescaler 0 to 2
These bits select the TCNT counter clock. The clock
source can be selected independently for each channel.
See tables 9.6 to 9.10 for details.
Counter Clear 0 to 2
Clock Edge 0 and 1
R/W
5
0
R/W
CKEG[1:0]
4
0
R/W
3
0
R/W
2
0
TPSC[2:0]
R/W
1
0
R/W
0
0
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