DF71251AD50FPV Renesas Electronics America, DF71251AD50FPV Datasheet - Page 529
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: 529 of 794
- Download datasheet (5Mb)
14.2.3
CMCNT is a 16-bit register used as an up-counter. When the counter input clock is selected with
bits CKS1 and CKS0 in CMCSR and the STR bit in CMSTR is set to 1, CMCNT starts counting
using the selected clock.
When the value in CMCNT and the value in compare match constant register (CMCOR) match,
CMCNT is cleared to H'0000 and the CMF flag in CMCSR is set to 1.
The initial value of CMCNT is H'0000.
Initial value:
14.2.4
CMCOR is a 16-bit register that sets the interval up to a compare match with CMCNT.
The initial value of CMCOR is H'FFFF.
Initial value:
R/W:
R/W:
Bit:
Bit:
R/W
R/W
Compare Match Counter (CMCNT)
Compare Match Constant Register (CMCOR)
15
15
0
1
R/W
R/W
14
14
0
1
R/W
R/W
13
13
0
1
R/W
R/W
12
12
0
1
R/W
R/W
11
11
0
1
R/W
R/W
10
10
0
1
R/W
R/W
9
0
9
1
R/W
R/W
8
0
8
1
R/W
R/W
7
0
7
1
R/W
R/W
Rev. 5.00 Mar. 06, 2009 Page 509 of 770
6
0
6
1
R/W
R/W
5
0
5
1
R/W
R/W
4
0
4
1
R/W
R/W
3
0
3
1
REJ09B0243-0500
R/W
R/W
2
0
2
1
R/W
R/W
1
0
1
1
R/W
R/W
0
0
0
1
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