DF71251AD50FPV Renesas Electronics America, DF71251AD50FPV Datasheet - Page 455

• Manufacturer Part Number: DF71251AD50FPV
• Description: MCU RISC FLASH 32K 8K 64LQFP
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH Tinyr

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: -

Tables 12.4 to 12.6 show examples of SCBRR settings in asynchronous mode, and tables 12.7 to
12.9 show examples of SCBRR settings in clock synchronous mode.
Table 12.4 Bit Rates and SCBRR Settings in Asynchronous Mode (1)
Bit
Rate
(bits/s)
110
150
300
600
1200
2400
4800
9600
14400
19200
28800
31250
38400
n
2 177 -0.25
2 129 0.16
2 64
1 129 0.16
1 64
0 129 0.16
0 64
0 32
0 21
0 15
0 10
0 9
0 7
N
10
Error
(%)
0.16
0.16
0.16
-1.36
-1.36
1.73
-1.36
0.00
1.73
n N
2 212 0.03
2 155 0.16
2 77
1 155 0.16
1 77
0 155 0.16
0 77
0 38
0 25
0 19
0 12
0 11
0 9
12
Error
(%)
0.16
0.16
0.16
0.16
0.16
-2.34
0.16
0.00
-2.34
n N
2 248 -0.17
2 181 0.16
2 90
1 181 0.16
1 90
0 181 0.16
0 90
0 45
0 29
0 22
0 14
0 13
0 10
14
Error
(%)
0.16
0.16
0.16
-0.93
1.27
-0.93
1.27
0.00
3.57
Pφ (MHz)
3 70
2 207 0.16
2 103 0.16
1 207 0.16
1 103 0.16
0 207 0.16
0 103 0.16
0 51
0 34
0 25
0 16
0 15
0 12
n N
16
Rev. 5.00 Mar. 06, 2009 Page 435 of 770
Error
(%)
0.03
0.16
-0.79
0.16
2.12
0.00
0.16
3 79
2 233 0.16
2 116 0.16
1 233 0.16
1 116 0.16
0 233 0.16
0 116 0.16
0 58
0 38
0 28
0 19
0 17
0 14
n
N
18
Error
(%)
-0.12
-0.69
0.16
1.02
-2.34
0.00
-2.34
REJ09B0243-0500
n
3 88
3 64
2 129 0.16
2 64
1 129 0.16
1 64
0 129 0.16
0 64
0 42
0 32
0 21
0 19
0 15
N
20
Error
(%)
-0.25
0.16
0.16
0.16
0.16
0.94
-1.36
-1.36
0.00
1.73