DF2437FV Renesas Electronics America, DF2437FV Datasheet - Page 497

• Manufacturer Part Number: DF2437FV
• Description: IC H8S/2437 MCU FLASH 128QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2400r

Specifications of DF2437FV

• Core Processor: H8S/2600
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: I²C, SCI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 85
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 16x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 128-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Table 16.3 Examples of BRR Settings for Various Bit Rates (Asynchronous Mode) (1)
[Legend]
⎯:
Note:
Bit Rate
(bit/s)
110
150
300
600
1200
2400
4800
9600
19200
31250
38400
Bit Rate
(bit/s)
110
150
300
600
1200
2400
4800
9600
19200
31250
38400
Can be set, but there will be a degree of error.
Make the settings so that the error does not exceed 1%.
n
1
1
0
0
0
0
0
⎯
⎯
0
⎯
n
2
1
1
0
0
0
0
0
0
⎯
0
3.6864
N
141
103
207
103
51
25
12
⎯
⎯
1
⎯
N
64
191
95
191
95
47
23
11
5
⎯
2
2
Error
(%)
0.03
0.16
0.16
0.16
0.16
0.16
0.16
⎯
⎯
0.00
⎯
Error
(%)
0.70
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
⎯
0.00
n
2
1
1
0
0
0
0
0
⎯
0
⎯
n
1
1
0
0
0
0
0
0
⎯
⎯
⎯
2.097152
Operating Frequency φ (MHz)
Operating Frequency φ (MHz)
N
148
108
217
108
54
26
13
6
⎯
⎯
⎯
N
70
207
103
207
103
51
25
12
⎯
3
⎯
4
Error
(%)
0.03
0.16
0.16
0.16
0.16
0.16
0.16
0.16
⎯
0.00
⎯
Error
(%)
–0.04
0.21
0.21
0.21
–0.70
1.14
–2.48
–2.48
⎯
⎯
⎯
n
1
1
0
0
0
0
0
0
0
⎯
0
n
2
1
1
0
0
0
0
0
0
0
0
Rev.2.00 May. 28, 2009 Page 457 of 732
2.4576
4.9152
N
174
127
255
127
63
31
15
7
3
⎯
1
N
86
255
127
255
127
63
31
15
7
4
3
Error
(%)
–0.26
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
⎯
0.00
Error
(%)
0.31
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
–1.70
0.00
n
1
1
1
0
0
0
0
0
0
0
⎯
n
2
2
1
1
0
0
0
0
0
0
0
REJ09B0059-0200
N
212
155
77
155
77
38
19
9
4
2
⎯
N
88
64
129
64
129
64
32
15
7
4
3
3
5
Error
(%)
0.03
0.16
0.16
0.16
0.16
0.16
–2.34
–2.34
–2.34
0.00
⎯
Error
(%)
–0.25
0.16
0.16
0.16
0.16
0.16
–1.36
1.73
1.73
0.00
1.73