EP7312-CR Cirrus Logic Inc, EP7312-CR Datasheet - Page 32
![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
208-Pin LQFP Numeric Pin Listing
32
Pin
No.
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
1
2
3
4
5
6
7
8
9
WRITE/nSDRAS
RUN/CLKEN
EXPCLK
EXPRDY
LEDDRV
VDDIO
WORD
TXD[2]
RXD[2]
VDDIO
PHDIN
RXD[1]
Signal
nCS[5]
VSSIO
VSSIO
TXD[1]
VSSIO
PB[7]
PB[6]
PB[5]
PB[4]
PB[3]
PB[2]
PB[1]
PB[0]
PA[7]
PA[6]
PA[5]
PA[4]
PA[3]
PA[2]
PA[1]
PA[0]
TDO
DCD
CTS
TDI
Table 20. 208-Pin LQFP Numeric Pin Listing
©
Copyright Cirrus Logic, Inc. 2005
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
1
1
1
1
(All Rights Reserved)
†
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Reset
State
High
High
High
Low
Low
Low
Low
Low
‡
‡
‡
‡
‡
‡
‡
‡
‡
‡
‡
‡
‡
‡
‡
‡
‡
Pad Gnd
Pad Gnd
Pad Gnd
Pad Pwr
Pad Pwr
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
I/O
O
O
O
O
O
O
O
O
I
I
I
I
I
I
I
I
UART 2 transmit data output
Transfer direction / SDRAM
Expansion port ready input
UART 1 clear to send input
Word access select output
UART 1 data carrier detect
UART 2 receive data input
UART 1 receive data input
Run output / clock enable
UART 1 transmit data out
Digital I/O power, 3.3 V
Digital I/O power, 3.3 V
Expansion clock input
RAS signal output
Photodiode input
JTAG data input
JTAG data out
Chip select 5
IR LED drive
Description
GPIO port B
GPIO port B
GPIO port B
GPIO port B
GPIO port B
GPIO port B
GPIO port B
GPIO port B
GPIO port A
GPIO port A
GPIO port A
GPIO port A
GPIO port A
GPIO port A
GPIO port A
GPIO port A
I/O ground
I/O ground
I/O ground
output
DS508F1