Oxford Semiconductor, Inc.
OXU200 Data Sheet
Table 9 OXU200 64-Ball BGA Ball Allocations (Sheet 1 of 2)
(1)
Pin
No.
Bits
Name
Description
Type
Processor Interface (33 pins)
A3, B3, A2, C4, A1,
B2, C3, C2, C1, D2,
D3, D1, D5, E4, E3,
E2
16
MSBCT
D - D
16-bit data bus. Pull-up/pull-down can be controlled through
register 0x034, bits 2:1. Default is none
0
15
G2, G1, E5, H1, H2, 10
F4, G3, H3, F5, H4
MSID
MSIU
MSIU
MSIU
MOCT
A - A
Address bus for direct address space of 2 Kbytes. Default is
pull-down
1
10
F2
F3
F6
F1
1
1
1
1
/WR
/RD
/CS
/INT
Write strobe. Pull-up can be disabled through register 0x034,
bit 13. Default is pull-up
Read strobe. Pull-up can be disabled through register 0x034,
bit 13. Default is pull-up
Chip select. Pull-up can be disabled through register 0x034,
bit 13. Default is pull-up
Interrupt to the MCU.This pin can be software configured as a
driven output or open drain. Open drain is the default
B8
B6
A5
1
1
1
MSIU
MOCT
MSI
/RESET
DRQ
Hardware reset. Pull-up is always enabled
DMA request output to support one channel
ACK
DMA acknowledge. Pull-up/pull-down can be controlled
through register 0x03A, bits 1:0. Default is none
General Purpose I/O (1 pin)
A6
Power & Ground (14 pins)
1
B
GPIO
General purpose I/O
D4, D7, E7
A7, G5, G7
B1, E6
3
3
2
2
2
2
V
V
V
V
V
V
Digital ground
Analog ground
SS
SSA
1.8 V core power. V
must be used for the supplies
DD1.8
DD3.3A
DD3.3
DDW
REGOUT
H5, H7
Analog +3.3 V power
Digital +3.3 V power
C6, C7
D6, E1
Wide-range I/O +1.8 V to +3.3 V. If using +1.8 V, V
may be used for the supplies
REGOUT
USB Interface (4 pins)
G6, H6
2
1
1
B
5I
B
D , D
Data lines for USB peripheral port
P
M
C8
F7
V
V
input is used to detect connection to a host
BUS
BUS
R
Connect external reference resistor (12 KΩ + 1%) to V
SSA
REF
DS-0051 Mar 07
External—Free Release
11
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