EP7311-CB-90 Cirrus Logic Inc, EP7311-CB-90 Datasheet - Page 43

• 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

DS506F1
W11
W12
W13
W14
W15
W16
W17
W18
W19
W20
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y8
Y9
Y10
Y11
Y12
Y13
Y14
Y15
Y16
Y17
Y18
Y19
Ball Location
ADCOUT
FB[0]
COL[5]
COL[2]
COL[0]
D[30]
A[27]/DRA[0]
D[26]
VDDIO
D[25]
VSSIO
VSSIO
VSSIO
PD[5]
PD[3]
PD[0]/LEDFLSH
SSITXDA
ADCIN
VDDCORE
DRIVE[0]
SMPCLK
FB[1]
COL[6]
COL[3]
COL[1]
D[31]
D[28]
D[27]
A[25]/DRA[2]
Name
Table 21. 204-Ball TFBGA Ball Listing (Continued)
Strength
1
1
1
1
1
2
1
1
1
1
1
1
2
1
1
1
1
1
1
1
2
†
©
Copyright Cirrus Logic, Inc. 2005
(All Rights Reserved)
Input
Reset
State
High
High
High
High
High
High
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
‡
Pad ground
Pad ground
Pad ground
Core power
Pad power
Type
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
O
O
O
O
I
I
I
High-Performance, Low-Power System on Chip
Data I/O
Data I/O
Data I/O
GPIO port D
GPIO port D
Data I/O
Data I/O
Data I/O
SSI1 ADC serial
data output
PWM feedback input
Keyboard scanner
column drive
Keyboard scanner
column drive
Keyboard scanner
column drive
System byte address
/ SDRAM address
Digital I/O power,
3.3V
I/O ground
I/O ground
I/O ground
GPIO port D / LED
blinker output
DAI/CODEC/SSI2
serial data output
SSI1 ADC serial
input
Digital core power,
2.5V
PWM drive output
SSI1 ADC sample
clock
PWM feedback input
Keyboard scanner
column drive
Keyboard scanner
column drive
Keyboard scanner
column drive
System byte address
/ SDRAM address
Description
EP7311
43