EP7312-IBZ Cirrus Logic Inc, EP7312-IBZ Datasheet - Page 33

• 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

DS508F2
No.
Pin
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
PE[1]/BOOTSEL[1]
PE[0]/BOOTSEL[0]
PD[0]/LEDFLSH
PD[7]/SDQM[1]
PD[6]/SDQM[0]
PE[2]/CLKSEL
VDDCORE
VSSCORE
SSIRXDA
nTEST[1]
nTEST[0]
nEXTFIQ
SSITXFR
SSITXDA
SSIRXFR
ADCOUT
VSSRTC
RTCOUT
VDDRTC
nADCCS
DRIVE[1]
DRIVE[0]
ADCCLK
nEINT[2]
nEINT[1]
EINT[3]
SSICLK
VDDIO
VDDIO
Signal
RTCIN
VSSIO
ADCIN
VSSIO
PD[5]
PD[4]
PD[3]
PD[2]
PD[1]
DSR
TMS
N/C
Table 20. 208-Pin LQFP Numeric Pin Listing (Continued)

Copyright Cirrus Logic, Inc. 2011
Strength
With p/u*
With p/u*
with p/u*
2
2
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
Reset
High /
High /
State
High
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
‡
‡
‡
‡
‡
Core ground
RTC power
RTC Gnd
Core Pwr
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
High-Performance, Low-Power System on Chip
I
I
I
I
I
I
I
I
I
I
I
DAI/CODEC/SSI2 serial clock
DAI/CODEC/SSI2 serial clock
DAI/CODEC/SSI2 frame sync
DAI/CODEC/SSI2 serial data
DAI/CODEC/SSI2 serial data
UART 1 data set ready input
Real time clock power, 2.5 V
SSI1 ADC serial data output
GPIO port D / SDRAM byte
GPIO port D / SDRAM byte
External fast interrupt input
GPIO port D / LED blinker
GPIO port E / clock input
GPIO port E / boot mode
GPIO port E / Boot mode
Real time clock oscillator
Real time clock oscillator
Digital I/O power, 3.3 V
Digital I/O power, 3.3 V
External interrupt input
External interrupt input
Real time clock ground
Test mode select input
Test mode select input
SSI1 ADC serial input
SSI1 ADC serial clock
SSI1 ADC chip select
JTAG mode select
Core power, 2.5 V
PWM drive output
PWM drive output
External interrupt
Core ground
Description
mode select
GPIO port D
GPIO port D
GPIO port D
GPIO port D
GPIO port D
lane mask
lane mask
I/O ground
I/O ground
output
output
output
select
select
input
input
EP7312
33