EP7309-CR Cirrus Logic Inc, EP7309-CR Datasheet - Page 31

• Manufacturer Part Number: EP7309-CR
• Description: 32-Bit Microcontroller IC
• Manufacturer: Cirrus Logic Inc

Specifications of EP7309-CR

• Controller Family/series: (ARM7)
• Core Size: 32 Bit
• No. Of Timers 8/12/16/32 Bits: 0 / 0 / 2 / 0
• Interface: SSI, UART
• Embedded Interface Type: SSI, UART
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

204-Ball TFBGA Ball Listing
The list is ordered by ball location.
DS507F1
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
B11
B12
B13
B14
Ball Location
VDDIO
EXPCLK
nCS[3]
nCS[1]
nMWE/nSDWE
N/C
N/C
DD[2]
FRM
CL[1]
VSSCORE
D[1]
A[2]
D[4]
A[5]
nPWRFL
MOSCOUT
VSSIO
VSSIO
VSSIO
WORD
VDDIO
nCS[5]
nCS[2]
nMOE/nSDCAS
N/C
N/C
DD[1]
M
CL[2]
D[0]
A[1]
D[3]
A[4]
Name
Strength
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
2
2
1
†
©
Table 20. 204-Ball TFBGA Ball Listing
Copyright Cirrus Logic, Inc. 2005
Reset
State
High
High
High
High
High
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
(All Rights Reserved)
Core ground
Pad ground
Pad ground
Pad ground
Pad power
Pad power
Type
I/O
I/O
I/O
I/O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
0
I
I
Digital I/O power,
3.3 V
Expansion clock input
Chip select 3
Chip select 1
ROM, expansion write enable/ SDRAM write enable control signal
LCD serial display data
LCD frame synchronization pulse
LCD line clock
Core ground
Data I/O
System byte address
Data I/O
System byte address
Power fail sense input
Main oscillator out
I/O ground
I/O ground
I/O ground
Word access select output
Digital I/O power, 3.3 V
Chip select 5
Chip select 2
ROM, expansion OP enable/SDRAM CAS control signal
LCD serial display data
LCD AC bias drive
LCD pixel clock out
Data I/O
System byte address
Data I/O
System byte address
High-Performance, Low-Power System on Chip
Description
EP7309
31