EM78P156EL Просмотр технического описания (PDF) - Elan Microelectronics Corp

Номер в каталоге

Компоненты Описание

производитель

EM78P156EL

8-BIT MICRO-CONTROLLER

Elan Microelectronics Corp 

OSCI

EM78P156EL

EM78P156EL

OTP ROM

Vcc

Rext

Cext

Fig. 13 Circuit for External RC Oscillator Mode

Table 11 RC Oscillator Frequencies

Cext

20 pF

100 pF

300 pF

Rext

3.3k

5.1k

10k

100k

3.3k

5.1k

10k

100k

3.3k

5.1k

10k

100k

Average Fosc 5V,25°C Average Fosc 3V,25°C

3.92 MHz

3.65 MHz

2.67 MHz

2.60 MHz

1.39MHz

1.40 MHz

149 KHz

156 KHz

1.39 MHz

1.33 MHz

940 KHz

920 KHz

480 KHz

475 KHz

52 KHz

50 KHz

595 KHz

560 KHz

400 KHz

390 KHz

200 KHz

200 KHz

21 KHz

20 KHz

<Note> 1. Measured on DIP packages.

2. For design reference only.

3. The frequency drift is about ±30%

4.8 CODE Option Register

The EM78P156EL has a CODE option word that is not a part of the normal program memory. The

option bits cannot be accessed during normal program execution.

Code Option Register and Customer ID Register arrangement distribution:

This specification is subject to change without prior notice.

29

07.29.2004 (V1.3)

Share Link: