參數(shù)資料
型號： EP7312-ER-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)存和增強的數(shù)字音頻接口
文件頁數(shù)： 51/64頁
文件大小： 1710K
代理商： EP7312-ER-C
DS508PP5
Copyright Cirrus Logic, Inc. 2003
(All Rights Reserved)
51
EP7312
High-Performance, Low-Power System on Chip
F13
nBATCHG
I
Battery changed sense input
F14
VSSIO
Pad ground
I/O ground
F15
D[11]
1
Low
I/O
Data I/O
F16
VDDIO
Pad power
Digital I/O power, 3.3V
G1
PB[1]
1
Input
I
GPIO port B
G2
VDDIO
Pad power
Digital I/O power, 3.3V
G3
TDO
1
Input
O
JTAG data out
G4
PB[4]
1
Input
I
GPIO port B
G5
PB[6]
1
Input
I
GPIO port B
G6
VSSCore
Core ground
Core ground
G7
VSSRTC
RTC ground
Real time clock ground
G8
DD[0]
1
Low
O
LCD serial display data
G9
D[3]
1
Low
I/O
Data I/O
G10
VSSRTC
RTC ground
Real time clock ground
G11
A[7]
1
Low
O
System byte address
G12
A[8]
1
Low
O
System byte address
G13
A[9]
1
Low
O
System byte address
G14
VSSIO
Pad ground
I/O ground
G15
D[12]
1
Low
I/O
Data I/O
G16
D[13]
1
Low
I/O
Data I/O
H1
PA[7]
1
Input
I/O
GPIO port A
H2
PA[5]
1
Input
I/O
GPIO port A
H3
VSSIO
Pad ground
I/O ground
H4
PA[4]
1
Input
I/O
GPIO port A
H5
PA[6]
1
Input
I/O
GPIO port A
H6
PB[0]
1
Input
I/O
GPIO port B
H7
PB[2]
1
Input
I/O
GPIO port B
H8
VSSRTC
RTC ground
Real time clock ground
H9
VSSRTC
RTC ground
Real time clock ground
H10
A[10]
1
Low
O
System byte address
H11
A[11]
1
Low
O
System byte address
H12
A[12]
1
Low
O
System byte address
H13
A[13]/DRA[14]
1
Low
O
System byte address / SDRAM address
H14
VSSIO
Pad ground
I/O ground
H15
D[14]
1
Low
I/O
Data I/O
H16
D[15]
1
Low
I/O
Data I/O
J1
PA[3]
1
Input
I/O
GPIO port A
J2
PA[1]
1
Input
I/O
GPIO port A
J3
VSSIO
Pad ground
I/O ground
J4
PA[2]
1
Input
I/O
GPIO port A
J5
PA[0]
1
Input
I/O
GPIO port A
J6
TXD[1]
1
High
O
UART 1 transmit data out
Table 22. 256-Ball PBGA Ball Listing (Continued)
Ball Location
Name
Strength
Reset
State
Type
Description
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