saf-xc822t-1fri Infineon Technologies Corporation, saf-xc822t-1fri Datasheet - Page 29

• Manufacturer Part Number: saf-xc822t-1fri
• Description: 8-bit Single-chip Microcontroller
• Manufacturer: Infineon Technologies Corporation

Preliminary
3.2.2
Table 9
Figure 8
Table 9
Parameters
V
V
V
mode
V
V
V
V
mode
V
RAM data retention voltage
1) Detection is enabled via SDCON register in active mode. It is automatically disabled in power down mode.
2) Detection is enabled via SDCON register. Detection must be disabled for external power supply of less than
3) V
4) Detection is enabled via SDCON register in active mode. It is automatically disabled in power down mode.
Data Sheet
DDP
DDP
DDP
DDP
DDC
DDC
DDC
DDC
Detection should be disabled for external power supply of less than 4.5 V.
3 V.
DDPSRR
prewarning voltage
brownout voltage in active mode
brownout voltage in all power down
system reset release voltage
prewarning voltage
brownout voltage in all power down
system reset release voltage
2)
brownout voltage in active mode
VDDP
VDDC
provides the characteristics of the supply threshold in the XC822/824.
and V
Supply Threshold Characteristics
Supply Threshold Parameters
Supply Threshold Parameters (Operating Conditions apply)
DDCSRR
5.0V
2.5V
V
DDPSRR
V
DDCSRR
must be met before the system reset is released.
1)
4)
3)
3)
2)
24
Symbol
V
V
V
V
V
V
V
V
V
DDPPW
DDPBOA
DDPBOPD
DDPSRR
DDCPW
DDCBOA
DDCBOPD
DDCSRR
DDCRDR
CC
CC
CC
CC
CC
CC
CC
CC 1.1
Min.
V
DDCPW
Electrical Parameters
V
Limit Values
DDCBOA
V
3.6
3.6
2.4
2.3
1.5
2.3
Typ. Max.
DDCBOPD
V
DDPPW
V
DDPBOA
V
DDCRDR
XC822/824
V0.1, 2010-02
/V
2.9
2.9
DDPBOPD
Unit
V
V
V
V
V
V
V
V
V