S93WD662 Datasheet, PDF (6/14 Pages) Summit Microelectronics, Inc. – Precision Supply-Voltage Monitor and Reset Controller With a Watchdog Timer and 4k-bit Microwire Memory

S93WD662/S93WD663
SK
CS
DI
1
00
10
STATUS VERIFY
tCS
STANDBY
HIGH-Z
DO
tSV
BUSY
t _EW
READY
t _HZ
HIGH-Z
Figure 6. ERAL Instruction Timing
2013 ILL 8 1.0
SK
CS
DI
1
000 1
DO
STATUS VERIFY
tCS
STANDBY
DN
DO
tSV
BUSY
t _EW
READY
t _HZ
HIGH-Z
Figure 7. WRAL Instruction Timing
2013 ILL 10 1.0
INSTRUCTION SET
Instruction
Start
Bit
READ
1
ERASE
1
WRITE
1
EWEN
1
EWDS
1
ERAL
1
WRAL
1
2013 2.1 8/2/00
Opcode
Address
x8
x16
10
A8–A0 A7–A0
11
A8–A0 A7–A0
01
A8–A0 A7–A0
00 11xxx xxxx 11xxx xxx
00 00xxx xxxx 00xxx xxx
00 10xxx xxxx 10xxx xxx
00 01xxx xxxx 01xxx xxx
Data
x8
D7–D0
D7–D0
x16
D15–D0
D15–D0
Comments
Read Address AN–A0
Clear Address AN–A0
Write Address AN–A0
Write Enable
Write Disable
Clear All Addresses
Write All Addresses
2013 PGM T5 1.1
6