Chapter 9. EPROM
CHAPTER 9. EPROM
MODE Define
Item
Device operation
Exact User pgm
Mode setting
K3~ K0 = 0 ~ 3V
K1~0=01/10
Vcc=3V
User mode
Address in, Data out
Vcc=5.5V
EPROM read mode
Address in, Data in
Data out
Vcc=5.5V
1Byte PGM Write & Verify
K1~0=01/10
K2 = Vcc
K2 = 0V
K3 =12.5V
Lock bit write
K1~0=01/00
K1~0=01/01
Lock bit Write mode
Lock bit Read mode
Vcc=5.5V,
(Default : unlock)
Lock bit out (to D5 port)
System reset before
all test
Reset mode
-
-
* Mode setting (K1~0=01/10) means the serial input by 2bits.
Port Define for GMS36XXXT
9-1