HD6417660 RENESAS [Renesas Technology Corp], HD6417660 Datasheet - Page 495

• Manufacturer Part Number: HD6417660
• Description: Renesas 32-Bit RISC Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

Clock Synchronous Mode:
Where B:
The bit rate error in asynchronous mode is found from the following equation:
1. When sampling rate is 1/16
2. When sampling rate is 1/5
3. When sampling rate is 1/11
4. When sampling rate is 1/13
n
0
1
2
3
N =
N:
Pφ:
n:
Error (%) =
Error (%) =
Error (%) =
Error (%) =
4 × 2
Bit rate (bits/s)
SCBRR setting for baud rate generator
Asynchronous mode: 0 ≤ N ≤ 255
Clock synchronous mode: 1 ≤ N ≤ 255
Peripheral module operating frequency (MHz)
Baud rate generator input clock (n = 0 to 3)
(See the table below for the relation between n and the clock.)
Pφ
2n-1
× B
(1+N) × B × 32 × 2
(1+N) × B × 10 × 2
(1+N) × B × 22 × 2
(1+N) × B × 26 × 2
Clock
Pφ
Pφ/4
Pφ/16
Pφ/64
Pφ × 10
Pφ × 10
Pφ × 10
Pφ × 10
× 10
6
- 1
6
6
6
6
2n-1
2n-1
2n-1
2n-1
- 1 × 100
- 1 × 100
- 1 × 100
- 1 × 100
CKS1
0
0
1
1
Rev. 1.00, 02/04, page 457 of 804
SCSMR Setting
CKS0
0
1
0
1