NS7520B-1-I46 Digi International, NS7520B-1-I46 Datasheet - Page 22

• Manufacturer Part Number: NS7520B-1-I46
• Description: IC ARM MICROPROCESSOR 177BGA
• Manufacturer: Digi International
• Series: NET+ARM®r

Specifications of NS7520B-1-I46

• Applications: Network Processor
• Core Processor: ARM7
• Program Memory Type: External Program Memory
• Controller Series: -
• Ram Size: External
• Interface: EBI/EMI, Ethernet, DMA, SPI, UART
• Number Of I /o: 16
• Voltage - Supply: 1.4 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 177-LFBGA
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

1 0
P a c k a g i n g
GNDPY11
XTALB2
VCCPY3
VDDC01
RESV2+
A24
NC4
A15
A22
R13
A17
R11
R12
R14
NC5
R15
R10
R1
A3
R2
A6
R3
A7
R4
A8
R5
R6
R7
R8
R9
R
A26/0WE_
VSSOSC1
GNDPY1
VCCPY2
GNDPY2
GNDPY3
VSSC01
RESV1-
TCK
A13
NC2
P13
A10
A19
P10
P11
P12
NC6
P14
P15
P1
P2
P3
P4
P5
P6
P7
P8
P9
A0
P
Figure 3: NS7520 BGA layout
OSCVCC1
PLLTST_
A27/0OE_
XTALB1
VCCPY1
D31
A12
A23
N10
N11
N12
N13
N14
N15
A16
A20
NC3
N2
A1
N3
N4
A4
A9
N8
TDI
N1
N7
N9
N5
N6
N
BISTEN_
VCCPY4
GNDPY4
TRST_
D30
A14
A18
A21
M10
A25
M11
M12
TMS
M13
M14
M15
A11
NC1
TDO
M2
M3
A2
M4
A5
M6
M7
M8
M1
M5
M9
M
N S 7 5 2 0 H a r d w a r e R e f e r e n c e , R e v G 9 / 2 0 0 7
SCANEN_
PLLVDD
VDDC02
PLLVSS
D26
D28
D29
L12
L13
L14
L15
D27
L1
L2
L3
L4
L
GNDPY12
VCCPY5
VSSC02
XTAL1
XTAL2
D23
D24
D25
K12
K13
K14
K15
Top View, Balls Facing Down
K2
K3
K4
K1
K
NS7520, 177 PFBGA
PORTA5
GNDPY5
PORTA4
PORTA7
PORTA6
D20
D22
D21
J12
J13
J14
J15
J1
J2
J3
J4
J
PORTA3
PORTA2
VCCPY6
PORTA1
D17
D16
D19
D18
H12
H13
H14
H15
H1
H2
H3
H4
H
GNDPY6
PORTC7
PORTC6
PORTA0
D12
D13
D15
G15
D14
G12
G13
G14
G2
G3
G4
G1
G
GNDPY13
PORTC4
VCCPY7
PORTC5
PORTC3
V1.0
D10
D11
F12
F13
F15
F14
F1
D9
F2
F3
F4
F
GUIDE PIN
GNDPY7
VCCPY8
PORTC1
PORTC2
PORTC0
E12
E13
E14
E15
E1
D8
E2
D7
E3
D6
E4
E5
E
GNDPY8
VSSC04
RXCRS
RW_
BE3_
RXDV
CS0_
TXD1
RXD3
TA_
MDC
D13
D10
D11
D12
D14
D15
BR_
D5
D2
D1
D4
D2
D6
D7
D8
D1
D3
D5
D9
D
OSCVCC2
GNDPY14
VDDC03
VDDC04
TXCLK
CAS2_
RXCLK
TEA_
BE1_
CS2_
WE_
RXER
BG_
C10
C11
C12
C13
C14
C15
D4
C1
C2
D0
C3
C4
C5
C6
C7
C8
C9
C
VSSOSC2
VCCPY10
VSSC03
BUSY_
CAS1_
BE0_
RXD0
RXD2
CS4_
CS1_
MDIO
TXD2
TXEN
OE_
D3
B10
B11
B12
B13
B14
B15
B2
B3
B4
B6
B7
B8
B1
B5
B9
B
GNDPY10
VCCPY9
GNDPY9
CAS3_
RESET_
TXCOL
CAS0_
BCLK
BE2_
RXD1
CS3_
TXD0
TXD3
TXER
TS_
A11
A12
A13
A10
A14
A15
A1
A2
A3
A4
A5
A6
A7
A8
A9
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15