TS87C54X2 Temic Semiconductors, TS87C54X2 Datasheet - Page 29

• Manufacturer Part Number: TS87C54X2
• Description: 8-bit CMOS Microcontroller 0-60 MHz
• Manufacturer: Temic Semiconductors

* Port 0 can force a "zero" level. A "one" Level will leave port floating.
Rev. B - Aug. 31, 1999
Power Down
Power Down
Mode
Idle
Idle
Program
Memory
External
External
Internal
Internal
Table 14. The state of ports during idle and power-down modes
ALE
1
1
0
0
PSEN
1
1
0
0
Port Data*
Port Data*
PORT0
Floating
Floating
Port Data
Port Data
Port Data
Port Data
PORT1
TS80C54X2/C58X2
TS87C54X2/C58X2
Port Data
Port Data
Port Data
PORT2
Address
Port Data
Port Data
Port Data
Port Data
PORT3
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