Z8F082ASH020SC Datasheet, PDF (162/244 Pages) Zilog, Inc. – Z8 Encore XP-R F08xA Series with eXtended Peripherals

Z8 Encore! XP^® F08xA Series
Product Specification
144
Trim Bit Address 0003H
Table 92. Trim Option Bits at Address 0003H (TLVD)
BITS
7
6
5
4
3
2
1
0
FIELD
Reserved
LVD_TRIM
RESET
U
U
U
U
U
U
U
U
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
ADDR
Information Page Memory 0023H
Note: U = Unchanged by Reset. R/W = Read/Write.
Reserved—Must be 1.
LVD_TRIM—Low Voltage Detect Trim
This trimming affects the low voltage detection threshold. Each LSB represents a
50mV change in the threshold level. Alternatively, the low voltage threshold may
be computed from the options bit value by the following equation:
LVD_LVL = 3.2V - LVD_TRIM * 0.05V
LVD Threshold (V)
LVD_TRIM
00000
00001
00010
Minimum
TBD
TBD
TBD
Typical
3.20
3.15
3.10
Maximum Description
TBD Maximum LVD threshold
TBD
TBD
00011
00100
to
01010
01010
to
11111
TBD
TBD
TBD
3.05
3.00
to
2.79
2.70
to
1.65
TBD
TBD
TBD
Default on Reset and to be programmed into Flash
before customer delivery to ensure 2.7V operation.
Minimum LVD threshold
PS024705-0405
PRELIMINARY
Flash Option Bits