EP7312-CR Cirrus Logic Inc, EP7312-CR Datasheet - Page 44
![IC ARM720T MCU 74MHZ 204-TFBGA](/photos/12/32/123261/ep7312-cr_sml.jpg)
EP7312-CR
Manufacturer Part Number
EP7312-CR
Description
IC ARM720T MCU 74MHZ 204-TFBGA
Manufacturer
Cirrus Logic Inc
Series
EP7r
Datasheet
1.EP7312-CVZ.pdf
(64 pages)
Specifications of EP7312-CR
Core Processor
ARM7
Core Size
32-Bit
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
204-TFBGA
Processor Series
EP73xx
Core
ARM720T
Data Bus Width
32 bit
3rd Party Development Tools
MDK-ARM, RL-ARM, ULINK2
Development Tools By Supplier
EDB7312
For Use With
598-1209 - KIT DEVELOPMENT EP73XX ARM7
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
Lead Free Status / Rohs Status
No
Other names
598-1235
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
EP7312-CR
Manufacturer:
NEC
Quantity:
12 000
Company:
Part Number:
EP7312-CR
Manufacturer:
ALTERA
Quantity:
1 235
Company:
Part Number:
EP7312-CR-90
Manufacturer:
CIRRUSLOG
Quantity:
479
Company:
Part Number:
EP7312-CR-90
Manufacturer:
Cirrus Logic Inc
Quantity:
10 000
EP7312
High-Performance, Low-Power System on Chip
44
P20
R1
R2
R3
R18
R19
R20
T1
T2
T3
T18
T19
T20
U1
U2
U3
U18
U19
U20
V1
V2
V3
V4
V5
V6
V7
V8
V9
V10
V11
V12
V13
V14
V15
V16
Ball Location
D[20]
nEXTFIQ
PE[2]/CLKSEL
nTEST[0]
A[19]/DRA[8]
D[22]
A[21]/DRA[6]
PE[1]/BOOTSEL[1]
PE[0]/BOOTSEL[0]
nEINT[1]
D[21]
D[23]
A[22]/DRA[5]
VSSRTC
RTCOUT
RTCIN
HALFWORD
D[24]
A[23]/DRA[4]
VDDRTC
VSSIO
VSSIO
PD[7]/SDQM[1]
PD[4]
PD[2]
SSICLK
SSIRXDA
nADCCS
VDDIO
ADCCLK
COL[7]
COL[4]
TCLK
BUZ
D[29]
Name
Strength
With p/u*
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Table 21. 204-Ball TFBGA Ball Listing (Continued)
†
©
Copyright Cirrus Logic, Inc. 2005
Input
Input
Input
Input
Reset
State
High
High
High
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
‡
‡
‡
‡
(All Rights Reserved)
RTC ground
RTC power
Pad ground
Pad ground
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
I/O
I/O
I/O
O
O
O
O
O
O
O
O
O
O
O
I
I
I
I
Data I/O
External fast interrupt input
GPIO port E / clock input mode select
System byte address / SDRAM address
Data I/O
System byte address / SDRAM address
GPIO port E / boot mode select
GPIO port E / boot mode select
External interrupt input
Data I/O
Data I/O
System byte address / SDRAM address
Real time clock ground
Real time clock oscillator output
Real time clock oscillator input
Halfword access select output
Data I/O
System byte address / SDRAM address
Real time clock power, 2.5V
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
Test mode select input
Description
DS508F1