S93WD462_98 Datasheet, PDF (6/14 Pages) Summit Microelectronics, Inc. – Precision Supply-Voltage Monitor and Reset Controller With a Watchdog Timer and 1k-bit Microwire Memory

S93WD462/S93WD463
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
2029 ILL 8.0
SK
CS
DI
1
000 1
DO
DN
DO
STATUS VERIFY
tCS
STANDBY
tSV
BUSY
t _EW
READY
t _HZ
HIGH-Z
Figure 7. WRAL Instruction Timing
2029 ILL 10.0
INSTRUCTION SET
Instruction
Start
Bit
READ
1
ERASE
1
WRITE
1
EWEN
1
EWDS
1
ERAL
1
WRAL
1
Opcode
10
11
01
00
00
00
00
Address
x8
x16
A6–A0 x(A5–A0)
A6–A0 x(A5–A0)
A6–A0 x(A5–A0)
11xxxxx 11xxxx
00xxxxx 00xxxx
10xxxxx 10xxxx
01xxxxx 01xxxx
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
2029 PGM T5.0
2029-01 4/14/98
6