EP7312-IBZ Cirrus Logic Inc, EP7312-IBZ Datasheet - Page 45

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

Specifications of EP7312-IBZ

• 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: -40°C ~ 85°C
• Package / Case: 256-BGA
• Controller Family/series: (ARM7)
• No. Of I/o's: 27
• Ram Memory Size: 48KB
• Cpu Speed: 74MHz
• No. Of Timers: 2
• No. Of Pwm Channels: 2
• Digital Ic Case Style: BGA
• Embedded Interface Type: SSI, UART
• Rohs Compliant: Yes
• Processor Series: EP73xx
• Core: ARM720T
• Data Bus Width: 32 bit
• 3rd Party Development Tools: MDK-ARM, RL-ARM, ULINK2
• Development Tools By Supplier: EDB7312
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 598-1209 - KIT DEVELOPMENT EP73XX ARM7
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Details
• Other names: 598-1242

DS508F1
V17
V18
V19
V20
W1
W2
W4
W5
W6
W7
W8
W9
W10
W11
W12
W13
W14
W15
W16
W17
W18
W19
W20
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y8
Y9
Y10
W3
Ball Location
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]
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]
Name
Strength
with p/u*
2
1
1
1
1
2
1
1
1
1
1
2
1
1
1
1
1
1
2
‘
Table 21. 204-Ball TFBGA Ball Listing (Continued)
†
©
Copyright Cirrus Logic, Inc. 2005
Input
Input
Reset
High /
State
High
High
High
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 ground
Pad ground
Pad ground
Core power
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
I/O
O
O
O
O
O
O
O
O
I
I
I
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
SSI1 ADC serial data output
PWM feedback input
Keyboard scanner column drive
Keyboard scanner column drive
Keyboard scanner column drive
Data I/O
System byte address / SDRAM address
Data I/O
Digital I/O power, 3.3V
Data I/O
I/O ground
I/O ground
I/O ground
GPIO port D
GPIO port D
GPIO port D / LED blinker output
DAI/CODEC/SSI2 serial data output
SSI1 ADC serial input
Digital core power, 2.5V
PWM drive output
High-Performance, Low-Power System on Chip
Description
EP7312
45