DF2398TE20 Renesas Electronics America, DF2398TE20 Datasheet - Page 558

• Manufacturer Part Number: DF2398TE20
• Description: IC H8S MCU FLASH 256K 120TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2300r

Specifications of DF2398TE20

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: SCI, SmartCard
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 87
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 120-TQFP, 120-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Other names: HD64F2398TE20; HD64F2398TE20

Table 15-5 Examples of Bit Rate B (bit/s) for Various BRR Settings (When n = 0)
Note: Bit rates are rounded to the nearest whole number.
The method of calculating the value to be set in the bit rate register (BRR) from the operating frequency and bit rate, on
the other hand, is shown below. N is an integer, 0 N 255, and the smaller error is specified.
N =
Table 15-6 Examples of BRR Settings for Bit Rate B (bit/s) (When n = 0)
Table 15-7 Maximum Bit Rate at Various Frequencies (Smart Card Interface Mode)
The bit rate error is given by the following formula:
Error (%) = (
Rev.6.00 Oct.28.2004 page 528 of 1016
REJ09B0138-0600H
1488
N
0
1
2
bit/s
9600
ø (MHz)
7.1424
10.00
10.7136
13.00
14.2848
16.00
18.00
20.00
ø
2
2n–1
1488
N Error N Error N Error N Error N Error N Error N Error N Error
0
B
7.1424
0.00
10
2
2n–1
6
– 1
ø
1
10.00
13441
6720
4480
B (N + 1)
10.00
30
Maximum Bit Rate (bit/s)
9600
13441
14400
17473
19200
21505
24194
26882
1
10.714
14400
7200
4800
10.7136
25
10
1
6
13.00
17473
8737
5824
– 1)
13.00
8.99
ø (MHz)
100
14.285
19200
9600
6400
1
14.2848
ø (MHz)
0.00
N
0
0
0
0
0
0
0
0
16.00
21505
10753
7168
1
16.00
12.01 2
18.00
24194
12097
8065
18.00
n
0
0
0
0
0
0
0
0
15.99 2
20.00
26882
13441
8961
20.00
6.60