Copyright Cirrus Logic, Inc. 2011 (All Rights Reserved) 35 EP7312 High-Performance, Low-Power S" />
參數(shù)資料
型號(hào): EP7312-CV-90
廠商: Cirrus Logic Inc
文件頁數(shù): 29/54頁
文件大?。?/td> 0K
描述: IC ARM720T MCU 90MHZ 208-LQFP
標(biāo)準(zhǔn)包裝: 36
系列: EP7
核心處理器: ARM7
芯體尺寸: 32-位
速度: 90MHz
連通性: 編解碼器,DAI,EBI/EMI,IrDA,鍵盤,SPI/Microwire1,UART/USART
外圍設(shè)備: LCD,LED,MaverickKey,PWM
輸入/輸出數(shù): 27
程序存儲(chǔ)器類型: ROMless
RAM 容量: 56K x 8
電壓 - 電源 (Vcc/Vdd): 2.3 V ~ 2.7 V
振蕩器型: 外部
工作溫度: 0°C ~ 70°C
封裝/外殼: 208-LQFP
包裝: 托盤
配用: 598-1209-ND - KIT DEVELOPMENT EP73XX ARM7
其它名稱: 598-1238
DS508F2
Copyright Cirrus Logic, Inc. 2011
(All Rights Reserved)
35
EP7312
High-Performance, Low-Power System on Chip
118
D[20]
1
Low
I/O
Data I/O
119
A[19]/DRA[8]
1
Low
O
System byte address /
SDRAM address
120
D[19]
1
Low
I/O
Data I/O
121
A[18]/DRA[9]
1
Low
O
System byte address /
SDRAM address
122
D[18]
1
Low
I/O
Data I/O
123
VDDIO
Pad Pwr
Digital I/O power, 3.3 V
124
VSSIO
Pad Gnd
I/O ground
125
nTRST
I
JTAG async reset input
126
A[17]/DRA[10]
1
Low
O
System byte address /
SDRAM address
127
D[17]
1
Low
I/O
Data I/O
128
A[16]/DRA[11]
1
Low
O
System byte address /
SDRAM address
129
D[16]
1
Low
I/O
Data I/O
130
A[15]/DRA[12]
1
Low
O
System byte address /
SDRAM address
131
D[15]
1
Low
I/O
Data I/O
132
A[14]/DRA[13]
1
Low
O
System byte address /
SDRAM address
133
D[14]
1
Low
I/O
Data I/O
134
A[13]/DRA[14]
1
Low
O
System byte address /
SDRAM address
135
D[13]
1
Low
I/O
Data I/O
136
A[12]
1
Low
O
System byte address
137
D[12]
1
Low
I/O
Data I/O
138
A[11]
1
Low
O
System byte address
139
VDDIO
Pad Pwr
Digital I/O power, 3.3 V
140
VSSIO
Pad Gnd
I/O ground
141
D[11]
1
Low
I/O
Data I/O
142
A[10]
1
Low
O
System byte address
143
D[10]
1
Low
I/O
Data I/O
144
A[9]
1
Low
O
System byte address
145
D[9]
1
Low
I/O
Data I/O
146
A[8]
1
Low
O
System byte address
147
D[8]
1
Low
I/O
Data I/O
148
A[7]
1
Low
O
System byte address
149
VSSIO
Pad Gnd
I/O ground
150
D[7]
1
Low
I/O
Data I/O
151
nBATCHG
I
Battery changed sense input
152
nEXTPWR
I
External power supply sense
input
153
BATOK
I
Battery OK input
154
nPOR
Schmitt
I
Power-on reset input
155
nMEDCHG/nBROM
I
Media change interrupt input /
internal ROM boot enable
156
nURESET
Schmitt
I
User reset input
157
VDDOSC
Oscillator Power
Oscillator power in, 2.5 V
158
MOSCIN
I
Main oscillator input
159
MOSCOUT
O
Main oscillator output
160
VSSOSC
Oscillator Ground
Table 20. 208-Pin LQFP Numeric Pin Listing (Continued)
Pin
No.
Signal
Strength
Reset
State
Type
Description
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