KX-FP207RU, KX-FP218RU - Panasonic Fax Service Manual (repair manual). Page 20

20

This 512KB ROM (FLASH MEMORY) carries a common area of 32KB and bank areas which each have 8KB (BK4~BK63). The
addresses from 0000H to 7FFFH are for the common area and from 8000H to 9FFFH are for the bank areas.

The DRAM serves as CPU and receives memory.
The address is F200H~F3FFH (DRAM access window 1) and F600H~F7FFH (DRAM access window 2).

114

XRESETI

I

3.3V

RESET INPUT

115

WDERR

O

3.3V

WATCHED ERROR OUTPUT SIGNAL

116

THDAT

O

3.3V

RECORDED IMAGE OUTPUT (XTHDAT)

117

THCLK

O

3.3V

CLOCK OUTPUT FOR DATA TRANSFER (XTHCLK)

118

THLAT

O

3.3V

PULSE OUTPUT FOR DATA LATCH (XTHLAT)

119

STBNP

I

3.3V

INPUT PORT (TEST)

120

RM0/IOP

O

3.3V

OUTPUT PORT (OPRESET)

121

RM1/IOP

I/O

3.3V

(TEL RXEN)

122

RM2/IOP

I/O

3.3V

(HS RXEN)

123

RM3/IOP

I/O

3.3V

MDMTXEN

124

RXE/IOP

I

3.3V

INPUT PORT (BELL)

125

TMO

O

3.3V

MOTOR A PHASE

126

VDD (2.5V)

-----

POWER SOURCE (+2.5V)

127

VSS

GND

POWER SOURCE (GND)

128

TM1/IOP

O

3.3V

MOTOR B PHASE

129

TM2/IOP

O

3.3V

MOTOR /A PHASE

130

TM3/IOP

O

3.3V

MOTOR /B PHASE

131

TXE/IOP

O

3.3V

MOTOR ENABLE SIGNAL

132

KSTART

O

3.3V

OPERATION PANEL CONTROL

133

KLATCH

O

3.3V

OPERATION PANEL CONTROL

134

KSCLK

O

3.3V

OPERATION PANEL CONTROL

135

KTXD

O

3.3V

OPERATION PANEL CONTROL

136

KRXD

I

3.3V

OPERATION PANEL CONTROL

137

FMEMCLK/IOP

O

3.3V

OUTPUT PORT (BREAK)

138

FMEMDI/IOP

O

3.3V

OUTPUT PORT (DR)

139

ADSEL1

O

3.3V

CHANNEL SELECT SIGNAL FOR AIN2

140

VDDA (2.5V)

2.5V

POWER SOURCE (ANALOG +2.5V)

141

VREFB

A

3.3V

A/D CONVERTER'S ZERO STANDARD VOLTAGE
OUTPUT

142

VCL

A

3.3V

ANALOG PART STANDARD VOLTAGE SIGNAL

143

VREFT

A

3.3V

A/D CONVERTER'S FULL SCALE VOLTAGE OUTPUT

144

VSSA

GND

POWER SOURCE (ANALOG GND)

NO.

SIGNAL

I/O

POWER SUPPLIED 

VOLTAGE

DESCRIPTION