AN1241 Motorola Semiconductor Products, AN1241 Datasheet - Page 6

• Manufacturer Part Number: AN1241
• Description: Interfacing the Mc68hc705j1a to 9356/9366 Eeproms
• Manufacturer: Motorola Semiconductor Products

6
ENABLE THE EEPROM
MAIN ROUTINE TEST
EEPROM ADDRESS
EEPROM ADDRESS
EEPROM ADDRESS
INITIALIZE PORT A
JSR J9356_EWEN
JSR J9356_WRITE
JSR J9356_WRITE
READ DATA FROM
JSR J9356_READ
JSR J9356_ERAL
PROGRAMMING
TEST1 = DATA_H
ERASE ALL THE
TEST2 = DATA_L
WRITE DATA TO
WRITE DATA TO
ERASE/WRITE
DATA_H = $AA
DATA_H = $12
DATA_L = $55
DATA_L = $34
LED IS OFF
ADDR = $00
ADDR = $00
ADDR = $00
EEPROM
FOR BIT
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
APPENDIX B
EEPROM ADDRESS
READ DATA FROM
JSR J9356_READ
TEST3 = DATA_H
TEST4 = DATA_L
TEST PASSED
ADDR = $20
LED IS ON
KICK THE
TEST1 =
TEST2 =
TEST3 =
TEST4 =
WDOG
$AA?
$55?
$12?
$34?
YES
YES
YES
YES
NO
NO
NO
NO
AN1241/D