參數(shù)資料
型號(hào)： EP7312-EV-C
廠商： Cirrus Logic, Inc.
英文描述： HIGH-PERFORMANCE, LOW-POWER SYSTEM-ON-CHIP WITH SDRAM AND ENHANCED DIGITAL AUDIO INTERFACE
中文描述： 高性能，低功率系統(tǒng)，片上內(nèi)存和增強(qiáng)的數(shù)字音頻接口
文件頁數(shù)： 34/64頁
文件大小： 1710K
代理商： EP7312-EV-C
34
Copyright Cirrus Logic, Inc. 2003
(All Rights Reserved)
DS508PP5
EP7312
High-Performance, Low-Power System on Chip
79
SMPCLK
1
Low
O
SSI1 ADC sample clock
80
FB[1]
I
PWM feedback input
81
VSSIO
Pad Gnd
I/O ground
82
FB[0]
I
PWM feedback input
83
COL[7]
1
High
O
Keyboard scanner column
drive
84
COL[6]
1
High
O
Keyboard scanner column
drive
85
COL[5]
1
High
O
Keyboard scanner column
drive
86
COL[4]
1
High
O
Keyboard scanner column
drive
87
COL[3]
1
High
O
Keyboard scanner column
drive
88
COL[2]
1
High
O
Keyboard scanner column
drive
89
VDDIO
Pad Pwr
Digital I/O power, 3.3 V
90
TCLK
I
JTAG clock
91
COL[1]
1
High
O
Keyboard scanner column
drive
92
COL[0]
1
High
O
Keyboard scanner column
drive
93
BUZ
1
Low
O
Buzzer drive output
94
D[31]
1
Low
I/O
Data I/O
95
D[30]
1
Low
I/O
Data I/O
96
D[29]
1
Low
I/O
Data I/O
97
D[28]
1
Low
I/O
Data I/O
98
VSSIO
Pad Gnd
I/O ground
99
A[27]/DRA[0]
2
Low
O
System byte address /
SDRAM address
100
D[27]
1
Low
I/O
Data I/O
101
A[26]/DRA[1]
2
Low
O
System byte address /
SDRAM address
102
D[26]
1
Low
I/O
Data I/O
103
A[25]/DRA[2]
2
Low
O
System byte address /
SDRAM address
104
D[25]
1
Low
I/O
Data I/O
105
HALFWORD
1
Low
O
Halfword access select output
106
A[24]/DRA[3]
1
Low
O
System byte address /
SDRAM address
107
VDDIO
—
Pad Pwr
Digital I/O power, 3.3 V
108
VSSIO
—
Pad Gnd
I/O ground
109
D[24]
1
Low
I/O
Data I/O
110
A[23]/DRA[4]
1
Low
O
System byte address /
SDRAM address
111
D[23]
1
Low
I/O
Data I/O
112
A[22]/DRA[5]
1
Low
O
System byte address /
SDRAM address
113
D[22]
1
Low
I/O
Data I/O
114
A[21]/DRA[6]
1
Low
O
System byte address /
SDRAM address
115
D[21]
1
Low
I/O
Data I/O
116
VSSIO
Pad Gnd
I/O ground
117
A[20]/DRA[7]
1
Low
O
System byte address /
SDRAM address
Table 20. 208-Pin LQFP Numeric Pin Listing (Continued)
Pin
No.
Signal
Strength
Reset
State
Type
Description
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