EP7312-CB Cirrus Logic Inc, EP7312-CB Datasheet - Page 41
![IC ARM720T MCU 74MHZ 256-PBGA](/photos/19/5/190595/4243180_sml.jpg)
EP7312-CB
Manufacturer Part Number
EP7312-CB
Description
IC ARM720T MCU 74MHZ 256-PBGA
Manufacturer
Cirrus Logic Inc
Series
EP7r
Datasheet
1.EP7312-CVZ.pdf
(64 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
EP7312-CBZ
Manufacturer:
CIRRUS
Quantity:
20 000
DS508F1
B14
B15
B16
B17
B18
B19
B20
C1
C2
C3
C4
C5
C6
C7
C8
C9
C10
C11
C12
C13
C14
C15
C16
C17
C18
C19
Ball Location
A[4]
D[6]
WAKEUP
MOSCIN
VSSIO
VSSIO
nURESET
RUN/CLKEN
EXPRDY
VDDIO
nCS[4]
nCS[0]
SDCLK
SDQM[3]
DD[0]
DD[3]
VDDCORE
A[0]
D[2]
A[3]
D[5]
A[6]
VSSOSC
VDDOSC
VSSIO
BATOK
Name
Strength
Schmitt
Schmitt
1
1
1
1
1
1
2
2
1
1
2
1
2
1
1
Table 21. 204-Ball TFBGA Ball Listing (Continued)
†
©
Copyright Cirrus Logic, Inc. 2005
Reset
State
High
High
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
(All Rights Reserved)
Oscillator ground
Oscillator power
Pad ground
Pad ground
Core power
Pad ground
Pad power
Type
I/O
I/O
I/O
O
O
O
O
O
O
O
O
O
O
0
I
I
I
I
I
System byte address
Data I/O
System wake up input
Main oscillator input
I/O ground
I/O ground
User reset input
Run output / clock enable output
Expansion port ready input
Digital I/O power,
3.3 V
Chip select 4
Chip select 0
SDRAM clock out
SDRAM byte lane mask
LCD serial display data
LCD serial display data
Digital core power, 2.5 V
System byte address
Data I/O
System byte address
Data I/O
System byte address
PLL ground
Oscillator power in, 2.5V
I/O ground
Battery ok input
High-Performance, Low-Power System on Chip
Description
EP7312
41