EP7309-CR Cirrus Logic Inc, EP7309-CR Datasheet - Page 39

• 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

256-Ball PBGA Pinout (Top View)
256-Ball PBGA Ball Listing
The list is ordered by ball location.
DS507F1
M nTEST[0]
A
B
C
D
E
F
G
H
K LEDDRV
N nEXTFIQ
P VSSRTC
R
T VDDRTC
J
L
Ball Location
VDDIO
VDDIO
WRITE
RXD[2]
RXD[1]
nCS[5]
RTCIN
PB[5]
PB[1]
PA[7]
PA[3]
A10
A11
A1
A2
A3
A4
A5
A6
A7
A8
A9
1
BOOTSEL[1]
EXPRDY
RTCOUT
EXPCLK
nEINT[2]
VDDIO
VDDIO
VDDIO
nCS[4]
PHDIN
PE[1]/
PB[7]
PB[3]
PD[7]
PA[5]
PA[1]
DSR
2
Table 21. 256-Ball PBGA Ball Listing
VDDIO
VDDIO
nCS[4]
nCS[1]
Name
DD[1]
D[0]
D[2]
A[3]
N/C
N/C
M
VDDIO
VDDIO
nCS[1]
nCS[3]
VSSIO
VSSIO
VSSIO
VSSIO
VSSIO
VSSIO
VSSIO
VSSIO
PD[4]
PD[6]
TDO
TDI
3
BOOTSEL[0]
Pad power
Pad power
nEINT[1]
VDDIO
VDDIO
WORD
TXD[2]
VDDIO
VSSIO
nMOE
PE[0]/
PD[1]
PD[3]
PB[4]
PA[4]
PA[2]
Type
DCD
N/C
I/O
I/O
4
O
O
O
O
O
O
O
nTEST[1]
SSITXDA
Digital I/O power, 3.3V
Chip select out
Chip select out
LCD serial display data
LCD AC bias drive
Digital I/O power, 3.3V
Data I/O
Data I/O
System byte address
CLKSEL
SSICLK
CLKEN
VDDIO
VDDIO
VSSIO
nCS[2]
VSSIO
PE[2]/
PD[5]
RUN/
PB[6]
PA[6]
PA[0]
TMS
N/C
5
SSIRXFR VDDCORE DRIVE[0]
)
VSSRTC
VSSRTC
nADCCS
EINT[3]
TXD[1]
VDDIO
VSSIO
nMWE
nCS[0]
VSSIO
VSSIO
DD[1]
PD[2]
PB[0]
N/C
Description
6
©
Copyright Cirrus Logic, Inc. 2005
LEDFLSH
SSIRXDA
SSITXFR
VSSRTC
VSSRTC
VDDIO
VSSIO
VSSIO
PD[0]/
DD[2]
PB[2]
CTS
N/C
N/C
N/C
M
7
(All Rights Reserved)
DRIVE[1]
ADCOUT
VSSRTC
VSSRTC
VSSRTC
ADCCLK
VDDIO
VDDIO
VDDIO
ADCIN
DD[3]
DD[0]
CL[1]
CL[2]
FRM
8
VDDCORE
VSSRTC
VSSRTC
VSSRTC
SMPCLK
COL[4]
COL[6]
COL[7]
VSSIO
VSSIO
FB[0]
FB[1]
Ball Location
D[0]
A[0]
A[1]
D[3]
9
A12
A13
A14
A15
A16
B1
B2
B3
B4
B5
B6
VSSRTC
COL[0]
COL[3]
VSSIO
COL[2]
VDDIO
COL[5]
TCLK
D[31]
A[10]
A[17]
Table 21. 256-Ball PBGA Ball Listing (Continued)
D[2]
D[1]
D[4]
D[5]
D[6]
10
High-Performance, Low-Power System on Chip
MOSCOUT
VDDOSC
nPWRFL
VSSOSC
VSSRTC
VSSRTC
VDDIO
VSSIO
nCS[5]
VDDIO
nCS[3]
VDDIO
VSSIO
VSSIO
COL[1]
VDDIO
Name
nMOE
D[20]
D[27]
A[11]
A[16]
D[29]
A[3]
A[6]
N/C
A[2]
A[7]
11
MOSCIN
BATOK
VDDIO
VDDIO
VSSIO
VSSIO
VSSIO
A[12]
A[15]
D[19]
A[22]
D[26]
D[30]
BUZ
A[4]
A[8]
12
Pad ground I/O ground
Pad power
Pad power
Pad power
Oscillator
power
Type
O
O
O
O
O
O
HALFWORD
nMEDCHG/
nBATCHG
nBROM
VSSIO
VDDIO
VDDIO
A[13]
A[14]
D[18]
A[21]
A[23]
A[27]
D[28]
A[6]
A[5]
A[9]
13
Digital I/O power, 3.3V
System byte address
Main oscillator out
Oscillator power in, 2.5V
Chip select out
I/O ground
Chip select out
ROM, expansion OP enable
Digital I/O power, 3.3V
MOSCOUT VDDOSC
WAKEUP
VSSIO
VSSIO
VDDIO
VSSIO
VSSIO
VSSIO
nTRST
VSSIO
VSSIO
VDDIO
VSSIO
VSSIO
A[25]
A[26]
14
Description
VDDIO
VDDIO
VDDIO
nPOR
D[11]
D[12]
D[14]
D[16]
A[18]
A[20]
D[22]
D[24]
D[25]
D[7]
D[9]
15
nEXTPWR C
nURESET B
EP7309
VDDIO
VDDIO
VDDIO
VSSIO
VSSIO
D[10]
D[13]
D[15]
D[17]
A[19]
D[21]
D[23]
A[24]
D[8]
16
39
A
D
E
G
H
K
M
N
R
F
J
L
P
T