HD6473847RHV Datasheet, PDF (365/546 Pages) Renesas Technology Corp – Renesas 8-Bit Single-Chip Microcomputer H8 Family / H8/300L Super Low Power Series

Section 13 LCD Controller/Driver
Table 13.4 Frame Frequency Selection
Bit 3: Bit 2: Bit 1: Bit 0:
CKS3 CKS2 CKS1 CKS0 Operating Clock
Frame Frequency^*1
φ = 2 MHz
φ = 250 kHz^*3
0
X
0
0
φ_W
1
φ_W/2
1
X
φ_W/4
1
0
0
0
φ/2
128 Hz^*2
64 Hz^*2
32 Hz^*2
—
128 Hz^*2
64 Hz^*2
32 Hz^*2
244 Hz
1
φ/4
977 Hz
122 Hz
1
0
φ/8
488 Hz
61 Hz
1
φ/16
244 Hz
30.5 Hz
1
0
0
φ/32
122 Hz
—
1
φ/64
61 Hz
—
1
0
φ/128
30.5 Hz
—
1
φ/256
—
—
Legend:
X:
Don’t care
Notes: 1. When 1/3 duty is selected, the frame frequency is 4/3 times the value shown.
2. This is the frame frequency when φ_W = 32.768 kHz.
3. This is the frame frequency in active (medium-speed, φ_OSC/16) mode when φ = 2 MHz.
Rev. 7.00 Mar. 08, 2010 Page 333 of 510
REJ09B0024-0700