ade7518 Analog Devices, Inc., ade7518 Datasheet - Page 83

• Manufacturer Part Number: ade7518
• Description: Single-phase Energy Measurement Ic With 8052 Mcu, Rtc, And Lcd Driver
• Manufacturer: Analog Devices, Inc.

Table 72. LCD Frame Rate Selection for f
FD3
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
1
Table 73. LCD Frame Rate Selection for f
FD3
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
1
Table 74. LCD Segment Enable SFR (LCDSEGE, 0x97)
Bit
7
6
5
4
3
2
1 to 0
Not within the range of typical LCD frame rates.
Not within the range of typical LCD frame rates.
FD2
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
FD2
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
Mnemonic
FP25EN
FP24EN
FP23EN
FP22EN
FP21EN
FP20EN
Reserved
FD1
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
FD1
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
FD0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
FD0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
Default
0
0
0
0
0
0
0
f
256
170.7
128
102.4
85.3
73.1
64
56.9
51.2
46.5
42.7
39.4
36.6
34.1
32
16
f
32
21.3
16
16
16
16
16
16
16
16
16
16
16
16
128
64
LCD
LCD
(Hz)
(Hz)
2× Multiplexing
2× Multiplexing
LCDCLK
LCDCLK
Description
FP25 Function Select Bit. 0 = general-purpose I/O, 1 = LCD function.
FP24 Function Select Bit. 0 = general-purpose I/O, 1 = LCD function.
FP23 Function Select Bit. 0 = general-purpose I/O, 1 = LCD function.
FP22 Function Select Bit. 0 = general-purpose I/O, 1 = LCD function.
FP21 Function Select Bit. 0 = general-purpose I/O, 1 = LCD function.
FP20 Function Select Bit. 0 = general-purpose I/O, 1 = LCD function.
These bits should be left at 0 for proper operation.
Frame Rate (Hz)
128
85.3
64
51.2
42.7
36.6
32
28.5
25.6
23.25
21.35
19.7
18.3
17.05
16
8
Frame Rate (Hz)
16
10.6
8
8
8
8
8
8
8
8
8
8
8
8
64
32
1
= 2048 Hz (LCDCON[3] = 0)
= 128 Hz (LCDCON[3] = 1)
1
Rev. 0 | Page 83 of 128
f
341.3
341.3
256
204.8
170.7
146.3
128
113.8
102.4
93.1
85.3
78.8
73.1
68.3
64
32
f
32
32
32
32
32
32
32
32
32
32
32
32
32
32
128
64
LCD
LCD
(Hz)
(Hz)
3× Multiplexing
3× Multiplexing
Frame Rate (Hz)
170.7
113.8
85.3
68.3
56.9
48.8
42.7
37.9
34.1
31
28.4
26.3
24.4
22.8
21.3
10.7
Frame Rate (Hz)
10.7
10.7
10.7
10.7
10.7
10.7
10.7
10.7
10.7
10.7
10.7
10.7
10.7
10.7
42.7
21.3
1
1
f
512
341.3
256
204.8
170.7
146.3
128
113.8
102.4
93.1
85.3
78.8
73.1
68.3
64
32
f
32
32
32
32
32
32
32
32
32
32
32
32
32
32
128
64
LCD
LCD
(Hz)
(Hz)
4× Multiplexing
4× Multiplexing
Frame Rate (Hz)
128
85.3
64
51.2
42.7
36.6
32
28.5
25.6
23.25
21.35
19.7
18.3
17.05
16
8
Frame Rate (Hz)
8
8
8
8
8
8
8
8
8
8
8
8
8
8
32
16
1
ADE7518