EP7311-CB-90 Cirrus Logic Inc, EP7311-CB-90 Datasheet - Page 42

• Manufacturer Part Number: EP7311-CB-90
• Description: IC ARM720T MCU 90MHZ 256-PBGA
• Manufacturer: Cirrus Logic Inc
• Series: EP7r

Specifications of EP7311-CB-90

• Core Processor: ARM7
• Core Size: 32-Bit
• Speed: 90MHz
• Connectivity: Codec, EBI/EMI, IrDA, Keypad, Multimedia Codec, 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
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -
• Other names: 598-1221

EP7311
High-Performance, Low-Power System on Chip
42
V2
V3
V4
V5
V6
V7
V8
V9
V10
V11
V12
V13
V14
V15
V16
V17
V18
V19
V20
W1
W2
W4
W5
W6
W7
W8
W9
W10
W3
Ball Location
VSSIO
VSSIO
PD[7]/SDQM[1]
PD[4]
PD[2]
SSICLK
SSIRXDA
nADCCS
VDDIO
ADCCLK
COL[7]
COL[4]
TCLK
BUZ
D[29]
A[26]/DRA[1]
VDDIO
VDDIO
A[24]/DRA[3]
VSSIO
VSSIO
VSSIO
PD[6]/SDQM[0]
TMS
PD[1]
SSITXFR
SSIRXFR
VSSCORE
DRIVE[1]
Name
Table 21. 204-Ball TFBGA Ball Listing (Continued)
Strength
with p/u*
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
2
‘
†
©
Copyright Cirrus Logic, Inc. 2005
(All Rights Reserved)
Input
Input
Reset
High /
State
High
High
High
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
‡
‡
Core Ground
Pad ground
Pad ground
Pad ground
Pad ground
Pad ground
Pad power
Pad power
Pad power
Type
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
O
O
O
O
I
I
I/O ground
I/O ground
GPIO port D /
SDRAM byte lane
mask
GPIO port D
GPIO port D
DAI/CODEC/SSI2
serial clock
DAI/CODEC/SSI2
serial data input
SSI1 ADC chip
select
Digital I/O power,
3.3V
SSI1 ADC serial
clock
Keyboard scanner
column drive
Keyboard scanner
column drive
JTAG clock
Buzzer drive output
Data I/O
System byte address
/ SDRAM address
Digital I/O power,
3.3 V
Digital I/O power,
3.3 V
System byte address
/ SDRAM address
I/O ground
I/O ground
I/O ground
GPIO port D /
SDRAM byte lane
mask
JTAG mode select
GPIO port D
DAI/CODEC/SSI2
frame sync
DAI/CODEC/SSI2
frame sync
Core Ground
PWM drive output
Description
DS506F1