19
Pin No.
Symbol
I/O
COMMENT
114
VDIO3
Digital Power Supply (3.3V)
115
OEXTAL
O
1,0
Crystal Oscillating Circuit Output for the Master Clock
116
EXTAL
I
Crystal Oscillating Circuit Intput for the Master Clock
117
VDIO4
Digital Power Supply GND
118
RSTZ
I
System Reset,“L” is reset
119
XPDI
I/O
Z,0
Passed Diagnostics Signal, Open Drain Output, Negative Logic
120
DASP
I/O
Z,0
Drive Active/Slave Present Signal, Open Drain Output, Negative Logic
121
HCS1
I
Chip Select Negative Signal from Host
122
HCS0
I
Chip Select Negative Signal from Host
123
HA2
I
Host Address (MSB)
124
HA0
I
Host Address (LSB)
125
HA1
I
Host Address
126
VDC6
Digital Power Supply (2.5V)
127
XS16
O
Z,0
Host 16-bit I/O Port Select Signal, Open Drain Output, Negative Logic
128
HINT
I/O
1,Z,0
Host Interrupt Demand Signal, Positive Logic
129
XHAC
I
DMA Acknowledge Signal from Host, Negative Logic
130
REDY
O
Z, 0
Host I/O Channel Ready Signal, Open Drain Output, Negative Logic
131
VDIO4
Digital Power Supply (3.3V)
132
VDC4
Digital Power Supply (2.5V)
133
VSC4
Digital GND
134
XHRD
I
Data Read Strobe Signal from Host
135
XHWR
I
Data Write Strobe Signal from Host
136
HDRQ
O
1, Z, 0
DMA Request Signal to Host, Positive Logic
137
XHRS
I
Chip Reset Signal from Host, Negative Logic
138
VDIO5
Digital Power Supply (3.3V)
139
HDBF
I/O
1,Z,0
Host Data Bus (MSB)
140
HDB0
I/O
1,Z,0
Host Data Bus (LSB)
141
HDBE
I/O
1,Z,0
Host Data Bus
142
HDB1
I/O
1,Z,0
Host Data Bus
143
VSIO5
Digital Power Supply GND
144
VSIO6
Digital Power Supply GND
145
HDBD
I/O
1,Z,0
Host Data Bus
146
HDB2
I/O
1,Z,0
Host Data Bus
147
HDBC
I/O
1,Z,0
Host Data Bus
148
HDB3
I/O
1,Z,0
Host Data Bus
149
VDIO6
Digital Power Supply (3.3V)
150
VDIO7
Digital Power Supply (3.3V)
151
HDBB
I/O
1,Z,0
Host Data Bus
152
HDB4
I/O
1,Z,0
Host Data Bus
