EXPLANATION OF MICROCOMPUTER

IC801 (HD6417706)3/3

Pin

Signal

I/O

Function

 

 

 

 

131

XTAL

O

Clock oscillator pin

132

EXTAL

I

External Clock/crystal oscillator pin

 

 

 

 

133

STATUS0

O

Processor status

134

STATUS1

O

Processor status

135

PTE[6]

I/O

NC

136

PTE[7]

I

ADPCM SW

137

GND

PWR

0V

138

CKIO

O

Systen clock input/output(39.3216MHz)

139

LVcc

PWR

+3.3V

140

TxD0

O

SCI transmit data0

141

SCK0

I/O

NC

142

TxD2

O

Pull-up

143

SCPT[3]

O

SC port

144

SCPT[4]

I/O

NC

145

RxD0

I

SCI receive data0

146

RxD2

I

SCIF receive data2

 

 

 

 

147

IRQ5

I

Pull-up

 

 

 

 

148

GND

PWR

0V

149

/RESETM

I

Pull-up

150

LLVcc

PWR

+1.9V

 

 

 

 

151

IRQ0

I

External interrupt request(Q2)

152

IRQ1

I

External interrupt request(ATAPI)

153

IRQ2

I

External interrupt request(FM)

154

IRQ3

I

NC

155

IRQ4

I

NC

156

GND

PWR

0V

157

NMI

I

Pull-up

158

LVcc

PWR

+3.3V

159

PTG[4]

I

Pull-up

160

/DREQ0

I

DMA request

161

/DREQ1

I

DMA request

162

PTG[5]

I

Input port G

163

MD0

I

Pull-down

164

MD2

I

Pull-down

165

/RESETP

I

Power-on reset request

166

CA

I

Pull-up

167

MD3

I

Pull-down

168

MD4

I

Pull-up

169

MD5

I

Pull-down

170

GND

PWR

0V

171

PTJ[0]

I

GND

172

PTJ[1]

I

GND

173

PTJ[2]

I

GND

174

PTJ[3]

I

GND

 

 

 

 

175

LVcc

PWR

+3.3V

176

GND

PWR

0V

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