Citizen CL-E700 Series Technical Manual

Chapter 2 Operating Principles
2-2. Operation of Control Parts
CL-E700 series 2-40
(3) Clock circuit
Crystal oscillator X1 oscillates a 48 MHz clock. This clock is send to the CPU (U1A) and the
CPU generates a 384 MHz internal clock and 64 MHz bus clock.
The 64MHz bus clock is fed to the FPGA (U5) and SDRAM (U4).
FPGA
X1
R14
C8
System Clock
(48MHz)
BUSCLK
CKIO
45
CLK1
E1
Bus Clock
(64MHz)
Internal Clock
(384MHz)
C9
BUSCLK
[SA Main PCB]
L12
R13
CPU
U1A
U5
(To SDRAM)
R12
48MHz
USB_X1
163
USB_X2
164

Citizen CL-E700 Series Specifications

General

Brand	Citizen
Model	CL-E700 Series
Category	Printer
Language	English