R1EV5801MB_16 Datasheet, PDF (13/22 Pages) Renesas Technology Corp – 1M EEPROM (128-Kword × 8-bit)Ready Busy and RES function

R1EV5801MB Series
Toggle bit
This device provide another function to determine the internal programming cycle. If the EEPROM is set to read mode
during the internal programming cycle, I/O6 will charge from “1” to “0” (toggling) for each read. When the internal
programming cycle is finished, toggling of I/O6 will stop and the device can be accessible for next read or program.
Notes: 1. I/O6 beginning state is “1”.
2. I/O6 ending state will vary.
3. See AC read characteristics.
4. Any location can be used, but the address must be fixed.
Toggle bit Waveform
Address
CE
t_CE ^*3
Next mode
*4
WE
OE
I/O6
t_OEH
Din
t_OE^*3
*1
Dout
Dout
t_WC
*2
Dout
t_OES
*2
Dout
t_DW
R10DS0209EJ0200 Rev.2.00
May 12, 2016
Page 13 of 20