87C196KS Intel Corporation, 87C196KS Datasheet - Page 6

• Manufacturer Part Number: 87C196KS
• Description: ADVANCED 16-BIT CHMOS MICROCONTROLLER
• Manufacturer: Intel Corporation

87C196KT 87C196KS
6
CCB
Mode 0
(1-Wait KR)
Mode 1
Mode 2
Mode 3 (KR) Designed to be similar to the 87C196KR bus
0
1
2
3
4
5
6
7
LOC1
MSEL1
LOC0
LOC1
BW0
IRC0
IRC1
0
0
1
1
ALE
WR
PD
0
0
1
1
(2018H Byte)
e
e
e
e
e
e
e
e
See AC Timings section for actual timings data
See AC Timings section for actual timings data
Designed to be similar to the 87C196KR bus
timing with 1 automatic wait state
RD WR advanced 1 T
ALE advanced 0 5 T
ALE pulse width remains 1 T
RD WR advanced 1 T
ALE advanced 0 5 T
ALE pulse width remains 1 T
Address advanced 0 5 T
timing
LOC0
‘‘1’’ Enables Powerdown
See Table
‘‘1’’
‘‘1’’
0
1
0
1
MSEL0
See Table
See Table
e
e
0
1
0
1
WR BHE - ‘‘0’’
ALE - ‘‘0’’
Read and Write Protected
Write Protected Only
Read Protected Only
No Protection
OSC
OSC
e
Mode 0 (1-Wait KR)
Mode 1
Mode 2
Mode 3 (KR)
Bus Timing Mode
OSC
OSC
ADV
OSC
Function
e
OSC
OSC
WRL WRH
CCB1 (201AH Byte)
IRC2
BW1
0
1
1
1
1
0
0
1
1
IRC1
0
0
0
1
1
0
1
2
3
4
5
6
7
BW0
MSEL0
MSEL1
0
1
0
1
IRC2
BW1
WDE
0
1
0
IRC0
0
0
1
0
1
e
e
e
e
e
e
e
e
ILLEGAL
16-Bit Only
8-Bit Only
BW Pin Controlled
Reserved Must Be ‘‘0’’
See Table
See Table
‘‘0’’
Max Wait States
Zero Wait States
1 Wait State
2 Wait States
3 Wait States
INFINITE
Reserved Must Be ‘‘01’’
See Table
Bus Width
e
Always Enabled
6