Robuta

https://www.rohm.com/products/faq-search/faqId/1839

For microwire EEPROMs, will write operation start even if the CPU is reset and CSB goes to 'L'...

microwire eeproms write operation start

https://www.rohm.com/products/faq-search/faqId/1834

For microwire EEPROMs, when cancelling operation after setting CS to 'L' when inputting a write...

microwire eeproms cancelling operation setting