EP7312M-CBZ Cirrus Logic Inc, EP7312M-CBZ Datasheet - Page 41
![IC, 32BIT MCU, ARM7, 74MHZ, BGA-256](/photos/39/69/396959/bga256_sml.jpg)
EP7312M-CBZ
Manufacturer Part Number
EP7312M-CBZ
Description
IC, 32BIT MCU, ARM7, 74MHZ, BGA-256
Manufacturer
Cirrus Logic Inc
Series
EP7r
Specifications of EP7312M-CBZ
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
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
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
598-1247
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
EP7312M-CBZ
Manufacturer:
Cirrus Logic Inc
Quantity:
10 000
DS508F2
Ball Location
C14
C15
C16
D10
D11
D12
D13
D14
D15
D16
E10
E12
E13
E14
E15
E16
F10
F12
E11
F11
D1
D2
D3
D4
D5
D6
D7
D8
D9
E1
E2
E3
E4
E5
E6
E7
E8
E9
F1
F2
F3
F4
F5
F6
F7
F8
F9
nMEDCHG/nBROM
WRITE/nSDRAS
nMWE/nSDWE
RUN/CLKEN
nEXTPWR
nSDCS[0]
EXPRDY
VSSRTC
nPWRFL
SDQM[2]
VSSOSC
VSSRTC
MOSCIN
SDCKE
RXD[2]
BATOK
VSSIO
VSSIO
VDDIO
nCS[2]
VDDIO
VSSIO
WORD
VSSIO
nCS[0]
VSSIO
VDDIO
VSSIO
TXD[2]
VSSIO
Name
nPOR
PB[7]
D[10]
PB[5]
PB[3]
DD[3]
CL[2]
FRM
D[4]
D[7]
D[8]
D[5]
D[9]
D[6]
TDI
A[0]
A[1]
Strength
with p/u*
Schmitt
1
1
1
1
1
1
1
1
1
1
1
1
2
1
2
1
1
1
1
1
1
1
2
1
2
1
†
Table 21. 256-Ball PBGA Ball Listing (Continued)
Input
Input
Input
Reset
State
High
High
High
High
High
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Copyright Cirrus Logic, Inc. 2011
‡
‡
‡
(All Rights Reserved)
Oscillator ground
Core ground
RTC ground
Pad ground
Pad 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
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
I
I
I
I
I
I
I
I
I
I
I
I
I/O ground
Power-on reset input
External power supply sense input
Transfer direction / SDRAM RAS signal output
Expansion port ready input
I/O ground
Digital I/O power, 3.3V
Chip select 2
ROM, expansion write enable/ SDRAM write enable control signal
SDRAM chip select 2
LCD pixel clock out
Real time clock ground
Data I/O
Power fail sense input
Main oscillator input
Digital I/O power, 3.3V
I/O ground
Data I/O
Data I/O
UART 2 receive data input
GPIO port B
JTAG data input
Word access select output
I/O ground
Chip select 0
SDRAM byte lane mask
LCD frame synchronization pulse
System byte address
Data I/O
PLL ground
I/O ground
Media change interrupt input / internal ROM boot enable
Digital I/O power, 3.3V
Data I/O
Data I/O
GPIO port B
GPIO port B
I/O ground
UART 2 transmit data output
Run output / clock enable output
I/O ground
SDRAM clock enable output
LCD serial display data
System byte address
Data I/O
Real time clock ground
Battery OK input
High-Performance, Low-Power System on Chip
Description
EP7312
41