T89C5115 ATMEL Corporation, T89C5115 Datasheet - Page 20

• Manufacturer Part Number: T89C5115
• Description: Low Pin Count 8-bit MCU with A/D Converter and 16-Kbytes of Flash Memory
• Manufacturer: ATMEL Corporation

Registers
20
T89C5115
PCON (S:87h)
Table 14. PCON Register
Power Configuration Register
Reset Value = XXXX 0000b
Number
Bit
7-4
7
–
3
2
1
0
Mnemonic Description
GF1
GF0
Bit
IDL
PD
6
–
–
Reserved
The value read from these bits is indeterminate. Do not set these bits.
General-purpose flag 1
One use is to indicate whether an interrupt occurred during normal operation or
during Idle mode.
General-purpose flag 0
One use is to indicate whether an interrupt occurred during normal operation or
during Idle mode.
Power-down Mode bit
Cleared by hardware when an interrupt or reset occurs.
Set to activate the Power-down mode.
If IDL and PD are both set, PD takes precedence.
Idle Mode bit
Cleared by hardware when an interrupt or reset occurs.
Set to activate the Idle mode.
If IDL and PD are both set, PD takes precedence.
5
–
4
–
GF1
3
GF0
2
PD
1
4128A–8051–04/02
IDL
0