H838024R datasheet(19/697 Pages) RENESAS

Numer części	H838024R

Szczegółowy opis	Renesas 8-Bit Single-Chip Microcomputer Super Low Power Series

PDF	697 Pages

Scroll/Zoom	100%

Producent	RENESAS [Renesas Technology Corp]

Strona internetowa	http://www.renesas.com

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Rev. 7.00 Mar 10, 2005 page xix of xlii

Item

Page

Revision (See Manual for Details)

10.2.8 Bit Rate

Table 10.5 Maximum

Bit Rate for Each

Frequency

(Asynchronous Mode)

350

Table amended

Setting

OSC (MHz)

φφφφ (MHz)

Maximum Bit Rate

(bit/s)

0.0384*

0.0192

600

31250

2.4576

1.2288

38400

62500

156250

250000

312500

10.2.8 Bit Rate

Table 10.6 Examples

of BRR Settings for

Various Bit Rates

(Synchronous

Mode) (2)

352

Table amended

10 MHz

Bit Rate

(bit/s)

Error

200

12499

250

624

300

8332

500

4999

2499

2.5K

999

499

10K

249

25K

50K

100K

250K

500K

—

Notes amended

Notes: The value set in BRR is given by the following equation:

N =

(4 • 2

2n • B)

– 1

where

B: Bit rate (bit/s)

N: Baud rate generator BRR setting (0

≤ N ≤ 255)

φ: System clock frequency

n: Baud rate generator input clock number (n = 0, 2, or 3)

(The relation between n and the clock is shown in table 10.7.)

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