EP7309-CR Cirrus Logic Inc, EP7309-CR Datasheet - Page 36

• Manufacturer Part Number: EP7309-CR
• Description: 32-Bit Microcontroller IC
• Manufacturer: Cirrus Logic Inc

Specifications of EP7309-CR

• Controller Family/series: (ARM7)
• Core Size: 32 Bit
• 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

EP7309
High-Performance, Low-Power System on Chip
36
V17
V18
V19
V20
W1
W2
W4
W5
W6
W7
W8
W9
W10
W11
W12
W13
W14
W15
W16
W17
W18
W19
W20
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y8
Y9
Y10
W3
Ball Location
A[26]/DRA[1]
VDDIO
VDDIO
A[24]/DRA[3]
VSSIO
VSSIO
VSSIO
PD[6]/SDQM[0]
TMS
PD[1]
SSITXFR
SSIRXFR
VSSCORE
DRIVE[1]
ADCOUT
FB[0]
COL[5]
COL[2]
COL[0]
D[30]
A[27]/DRA[0]
D[26]
VDDIO
D[25]
VSSIO
VSSIO
VSSIO
PD[5]
PD[3]
PD[0]/LEDFLSH
SSITXDA
ADCIN
VDDCORE
DRIVE[0]
Name
Strength
with p/u*
2
1
1
1
1
2
1
1
1
1
1
2
1
1
1
1
1
1
2
‘
Table 20. 204-Ball TFBGA Ball Listing (Continued)
†
©
Copyright Cirrus Logic, Inc. 2005
Input
Input
Reset
High /
State
High
High
High
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
‡
‡
(All Rights Reserved)
Core Ground
Core power
Pad ground
Pad ground
Pad ground
Pad ground
Pad ground
Pad ground
Pad power
Pad power
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
O
O
O
O
O
O
O
O
I
I
I
System byte address / SDRAM address
Digital I/O power,
3.3 V
Digital I/O power,
3.3 V
System byte address / SDRAM address
I/O ground
I/O ground
I/O ground
GPIO port D / SDRAM byte lane mask
JTAG mode select
GPIO port D
DAI/CODEC/SSI2 frame sync
DAI/CODEC/SSI2 frame sync
Core Ground
PWM drive output
SSI1 ADC serial data output
PWM feedback input
Keyboard scanner column drive
Keyboard scanner column drive
Keyboard scanner column drive
Data I/O
System byte address / SDRAM address
Data I/O
Digital I/O power, 3.3V
Data I/O
I/O ground
I/O ground
I/O ground
GPIO port D
GPIO port D
GPIO port D / LED blinker output
DAI/CODEC/SSI2 serial data output
SSI1 ADC serial input
Digital core power, 2.5V
PWM drive output
Description
DS507F1