7.3.1.2. ASIC (IC606)
This custom IC is used for general FAX operations.
(1) CPU: This model uses a Z80 equivalent CPU operating at 16MHz.
Many of the peripheral functions are handled by custom designed LSIs.
As a result,the CPU only needs to process the results.
(2) RTC: Real time clock.
(3) DECORDER: Decodes the address.
(4) ROM/RAM I/F: Controls the SELECT signal of ROM or RAM and bank switching.
(5) LSU I/F: Controls the polygon motor and outputs the VIDEO signal to LSU.
(6) I/O PORT: I/O Port Interface.
(7) ANALOG UNIT: Sends beep tones,etc.
Convert the analog signal to the digital signal.
(8) MOTOR I/F: Controls the SCAN Motor.
7.3.1.3. ROM (IC607)
This 8MB FLASH ROM contains all of the program instructions on the unit operations.
7.3.1.4. GATE ARRAY (IC605)
(1) OPERATION PANEL I/F: Serial interface with Operation Panel.
(2) ANALOG GATE ARRAY I/F: Controls the ANALOG GATE ARRAY.
(3) MOTOR I/F: Controls the ENGINE Motor.
(4) FAN I/F: Controls FAN MOTOR and detect the rotation of FAN MOTOR.
(5) SENSOR I/F: Controls the LED and detect the sensor signal.
(6) I/O PORT: I/O Port Interface.
7.3.1.5. SYNCHRONOUS DYNAMIC RAM (IC604)
This SDRAM is used for CPU work and receiving memory and page memory.
7.3.1.6. MODEM(IC600)
Performs the modulation and the demodulation for FAX communication.
Detects the CALLER ID (DTMF) signal.
7.3.1.7. FSK RECEIVER (IC602)
Detects the CALLER ID (FSK) signal.
Description of Pin Distribution (IC606)
PIN
No.
SIGNAL I/O POWER SUPPLIED
VOLTAGE
EXPLANATION
1 VSS GND GND GND
2 VDD3.3A PWR 3.3V POWER SOURCE
3 AIN1 AI 3.3V IMAGE DATA FROM CIS
4 AIN2 AI 3.3V THERMISTOR ON FUSE UNIT
5 AIN3 AI 3.3V THERMISTOR ON OPE UNIT
6 AMON AO 3.3V NOT USED
7 VSS GND GND GND
8 X32OUT O 3.3VBATT RTC(32.768KHz)
9 X32IN I 3.3VBATT RTC(32.768KHz)
10 3.3VBATIN I 3.3VBATT POWER SOURCE(+3.3V/LITHIUM BATTERY)
11 XBACKEN I 3.3VBATT BACKUP ENABLE(CONNECT TO RESET LINE)
12 RESCS2/CLKE/OP02 O 3.3VBATT NOT USED
13 3.3VBATOUT O 3.3VBATT POWER SOURCE(+3.3V/LITHIUM BATTERY)
14 2.5VBATIN I 2.5VBATT POWER SOURCE(+2.5V/LITHIUM BATTERY)
15 XRESET I 3.3V RESET FOR INTERNAL CIRCUIT OF IC606
16 XORESET O 3.3V SYSTEM RESET OUTPUT
17 VSS GND GND GND
18 VDD3.3V PWR 3.3V POWER SOURCE
19 XRESETI I 3.3V RESET INPUT
20 XWDERR O 3.3V WATCH DOG ERROR OUTPUT
21 TM0/IOP10 O 3.3V TX MOTOR CONTROL
151
KX-FL612CX / KX-FL612CX-S
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