Datasheet

Table Of Contents
Section 21 LCD Controller/Driver
Rev. 2.00 Jul. 04, 2007 Page 461 of 692
REJ09B0309-0200
Table 21.4 Frame Frequency Selection
Bit 3: Bit 2: Bit 1: Bit 0:
Frame Frequency*
1
CKS3 CKS2 CKS1 CKS0 Operating Clock φ = 2 MHz φ = 250 kHz*
3
0 x 0 0 φ
W
128 Hz*
2
128 Hz*
2
1 φ
W
/2 64 Hz*
2
64 Hz*
2
1 x φ
W
/4 32 Hz*
2
32 Hz*
2
1 0 0 0 φ/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
/8) mode when φ
OSC
= 2 MHz.