ep7312 Cirrus Logic, Inc., ep7312 Datasheet - Page 33

• Manufacturer Part Number: ep7312
• Description: High-performance, Low-power, System-on-chip With Sdram & Enhanced Digital Audio Interface
• Manufacturer: Cirrus Logic, Inc.

DS508F1
Pin
No.
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
VSSCORE
VDDCORE
SSIRXDA
SSIRXFR
nTEST[1]
nTEST[0]
nEXTFIQ
RTCOUT
VDDRTC
SSITXFR
SSITXDA
DRIVE[1]
DRIVE[0]
ADCOUT
nEINT[2]
nEINT[1]
VSSRTC
nADCCS
ADCCLK
SSICLK
EINT[3]
VDDIO
ADCIN
VDDIO
Signal
RTCIN
VSSIO
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. 2005
Strength
With p/u*
With p/u*
with p/u*
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
1
1
1
(All Rights Reserved)
†
Reset
Input
Input
Input
Input
Input
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
External interrupt input
External interrupt input
Real time clock ground
Digital I/O power, 3.3 V
Digital I/O power, 3.3 V
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
Description
mode select
GPIO port D
GPIO port D
GPIO port D
GPIO port D
GPIO port D
Core ground
I/O ground
I/O ground
lane mask
lane mask
output
output
output
select
select
input
input
EP7312
33