Kyocera KM-4230

2A3/4
2-3-6
2-3-4 Memory copy PCB
Communication control interface
Image input interface
Image output interface
Clock frequency
24.39 MHz
Address bus
Address bus
Address bus
Data bus
Data bus
Data bus
DRAMs
U13, 14, 15,
18, 19, 20
Sort
memory
ASIC
U16
FF
CPU
U17
CODEC
U26
CODEC
U25
SRAM
U4,11
EPROM
U1
Clock frequency
31.8 MHz
Clock frequency
39.86 MHz
Clock frequency
3.6864 MHz
Figure 2-3-4 Memory copy PCB 1 block diagram