datasheetbank_Logo
Integrated circuits, Transistor, Semiconductors Search and Datasheet PDF Download Site

T89C51RD2-3CBC-M View Datasheet(PDF) - Atmel Corporation

Part Name
Description
View to exact match
T89C51RD2-3CBC-M
Atmel
Atmel Corporation Atmel
T89C51RD2-3CBC-M Datasheet PDF : 86 Pages
First Prev 31 32 33 34 35 36 37 38 39 40 Next Last
Table 16. PCON Register
T89C51RD2
PCON - Power Control Register (87h)
7
6
5
SMOD1
SMOD0
-
4
3
2
1
0
POF
GF1
GF0
PD
IDL
Bit
Number
7
6
5
4
3
2
1
0
Bit
Mnemonic
Description
SMOD1
Serial port Mode bit 1
Set to select double baud rate in mode 1, 2 or 3.
SMOD0
Serial port Mode bit 0
Clear to select SM0 bit in SCON register.
Set to to select FE bit in SCON register.
-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Power-Off Flag
POF
Clear to recognize next reset type.
Set by hardware when VCC rises from 0 to its nominal voltage. Can also be set by software.
General purpose Flag
GF1
Cleared by user for general purpose usage.
Set by user for general purpose usage.
General purpose Flag
GF0
Cleared by user for general purpose usage.
Set by user for general purpose usage.
Power-Down mode bit
PD
Cleared by hardware when reset occurs.
Set to enter power-down mode.
Idle mode bit
IDL
Clear by hardware when interrupt or reset occurs.
Set to enter idle mode.
Reset Value = 00X1 0000b
Not bit addressable
Power-off flag reset value will be 1 only after a power on (cold reset). A warm reset doesn’t affect the value of this bit.
Rev. F - 15 February, 2001
36
 

Share Link: 

datasheetbank.com [ Privacy Policy ] [ Request Datasheet ] [ Contact Us ]