ade7169f16 Analog Devices, Inc., ade7169f16 Datasheet - Page 90

• Manufacturer Part Number: ade7169f16
• Description: Single-phase Energy Measurement Ic With 8052 Mcu, Rtc And Lcd Driver
• Manufacturer: Analog Devices, Inc.

ADE7169F16
Table 76. LCD frame rate selection for f
FD3
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
Table 77. LCD frame rate selection for f
FD3
3-0
7-6
5-4
FD2
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
FD2
FD1
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
FD1
BLKMOD[1:0]
BLKFREQ[1:0]
FD[3:0]
FD0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
FD0
2x multiplexing
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
LCD
LCD
(Hz)
(Hz)
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
2x multiplexing
Frame Rate (Hz)
LCDCLK
LCDCLK
0
0
0
=2048Hz (LCDCON[3]=0)
=128Hz (LCDCON[3]=1)
Blink Mode Clock Source Configuration bits
BLKMOD[1:0]
0
0
1
1
Blink Rate Configuration bits
These bits control LCD blink rate if BLKMOD[1:0]=11
BLKFREQ[1:
0]
0
0
1
1
LCD Frame Rate Selection bits. See Table 76 and Table 77.
Rev. PrD | Page 90 of 140
3x multiplexing
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
3x multiplexing
Frame Rate (Hz)
LCD
0
1
0
1
0
1
0
1
(Hz)
The blink rate is controlled by software. The display is OFF.
The blink rate is controlled by software. The display is ON.
The blink rate is 2 Hz
The blink rate is set by BLKFREQ[1:0]
Blink rate (Hz)
1
1/2
1/3
1/4
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
4x multiplexing
Frame Rate (Hz)
4x multiplexing
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
LCD
(Hz)
Preliminary Technical Data
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