EP7312-CB Cirrus Logic Inc, EP7312-CB Datasheet - Page 28

• Manufacturer Part Number: EP7312-CB
• Description: IC ARM720T MCU 74MHZ 256-PBGA
• Manufacturer: Cirrus Logic Inc
• Series: EP7r

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

EP7312
High-Performance, Low-Power System on Chip
LCD Interface
28
DD [3:0]
CL[2] falling to CL[1] rising delay time
CL[1] falling to CL[2] rising delay time
CL[1] falling to FRM transition time
CL[1] falling to M transition time
CL[2] rising to DD (display data) transition time
CL[2]
CL[1]
FRM
M
Parameter
t
t
CL1d
DDd
Figure 13. LCD Controller Timing Measurement
©
Copyright Cirrus Logic, Inc. 2005
(All Rights Reserved)
t
Md
t
CL2d
t
FRMd
Symbol
t
t
t
FRMd
t
CL1d
CL2d
t
DDd
Md
Min
− 10
− 10
− 10
300
80
10,425
3,475
Max
25
20
20
DS508F1
Unit
ns
ns
ns
ns
ns