HD64F3026X25 Renesas Electronics America, HD64F3026X25 Datasheet - Page 469

• Manufacturer Part Number: HD64F3026X25
• Description: MCU 3V 256K 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Hr

Specifications of HD64F3026X25

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 25MHz
• Connectivity: SCI, SmartCard
• Peripherals: PWM, WDT
• Number Of I /o: 70
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

The following equation calculates the bit rate register (BRR) setting from the operating frequency
and bit rate. N is an integer from 0 to 255, specifying the value with the smaller error.
Table 13.6 BRR Settings for Typical Bit Rates (bits/s) (When n = 0)
bit/s
9600
Table 13.7 Maximum Bit Rates for Various Frequencies (Smart Card Interface Mode)
7.1424
10.00
10.7136
13.00
14.2848
16.00
18.00
20.00
25.00
The bit rate error is given by the following equation:
(MHz)
N Error
0 0.00
N =
Error (%) =
7.1424
1488
N Error
1 30
Maximum Bit Rate (bits/s)
9600
13441
14400
17473
19200
21505
24194
26882
33602
10.00
2
1488
2n–1
B
2
N Error
1 25
10.7136
2n-1
10
B
6
– 1
(N + 1)
N Error
1 8.99
13.00
(MHz)
N Error
1 0.00
14.2848
10
6
Rev. 2.00 Sep 20, 2005 page 429 of 800
– 1
N
0
0
0
0
0
0
0
0
0
N Error
1 12.01
Section 13 Smart Card Interface
100
16.00
N Error
2 15.99
18.00
n
0
0
0
0
0
0
0
0
0
REJ09B0260-0200
N Error
3 12.49
25.0