EP7312-CB Cirrus Logic Inc, EP7312-CB Datasheet - Page 40

• Manufacturer Part Number: EP7312-CB
• Description: IC ARM720T MCU 74MHZ 256-PBGA
• Manufacturer: Cirrus Logic Inc
• Series: EP7r

Specifications of EP7312-CB

• Core Size: 32-Bit
• Core Processor: ARM7
• Speed: 74MHz
• Connectivity: Codec, DAI, EBI/EMI, IrDA, Keypad, SPI/Microwire1, UART/USART
• Peripherals: LCD, LED, MaverickKey, PWM
• Number Of I /o: 27
• Program Memory Type: ROMless
• Ram Size: 56K x 8
• Voltage - Supply (vcc/vdd): 2.3 V ~ 2.7 V
• Oscillator Type: External
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 256-BGA
• Controller Family/series: (ARM7)
• 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
• For Use With: 598-1209 - KIT DEVELOPMENT EP73XX ARM7
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant, Contains lead / RoHS non-compliant
• Other names: 598-1232

EP7312
High-Performance, Low-Power System on Chip
204-Ball TFBGA Ball Listing
The list is ordered by ball location.
40
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
Ball Location
VDDIO
EXPCLK
nCS[3]
nCS[1]
nMWE/nSDWE
SDQM[2]
nSDCS[1]
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
SDCKE
nSDCS[0]
DD[1]
M
CL[2]
D[0]
A[1]
D[3]
Name
Strength
1
1
1
1
2
1
1
1
1
1
2
1
1
1
1
1
1
2
1
1
1
1
1
2
2
†
©
Table 21. 204-Ball TFBGA Ball Listing
Copyright Cirrus Logic, Inc. 2005
Reset
State
High
High
High
High
High
High
High
Low
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
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
SDRAM byte lane mask
SDRAM chip select 2
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
SDRAM clock enable output
SDRAM chip select 0
LCD serial display data
LCD AC bias drive
LCD pixel clock out
Data I/O
System byte address
Data I/O
Description
DS508F1