HD64F2638F20J Renesas Electronics America, HD64F2638F20J Datasheet - Page 581

• Manufacturer Part Number: HD64F2638F20J
• Description: IC H8S MCU FLASH 256K 128-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2600r

Specifications of HD64F2638F20J

• Core Processor: H8S/2600
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: CAN, SCI, SmartCard
• Peripherals: Motor Control PWM, POR, PWM, WDT
• Number Of I /o: 72
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 12x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 128-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

H8S/2639, H8S/2638, H8S/2636,
H8S/2630, H8S/2635 Group
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 14-6 Examples of BRR Settings for Bit Rate B (bit/s) (When n = 0 and S = 372)
bit/s
9600
Note: A blank means no setting is available.
Table 14-7 Maximum Bit Rate at Various Frequencies (Smart Card Interface Mode)
φ (MHz)
7.1424
10.00
10.7136
13.00
14.2848
16.00
18.00
20.00
The bit rate error is given by the following formula:
Error (%) = (
REJ09B0103-0800 Rev. 8.00
May 28, 2010
S × 2
N
0
7.1424
2n+1
Error
0.00
φ
(when S = 372)
S × 2
× B
N
1
2n+1
× 10
10.00
Error
30
× B × (N + 1)
Maximum Bit Rate (bit/s)
9600
13441
14400
17473
19200
21505
24194
26882
φ
6
– 1
N
1
10.7136
Error
25
× 10
N
1
6
13.00
– 1) × 100
Error
8.99
φ (MHz)
N
1
14.2848
Error
0.00
N
0
0
0
0
0
0
0
0
N
1
16.00
Error
12.01
Section 14 Smart Card Interface
N
2
18.00
n
0
0
0
0
0
0
0
0
Error
15.99
Page 531 of 1458
N
2
20.00
Error
6.60