Usb - Digi ConnectCore XP 270 Hardware Reference Manual

C o n n e c t C o r e X P 2 7 0 m o d u l e
Address range
0x0082
0x0083
0x0084
0x0085
0x0086
0x0087
0x0088–0x008F

USB

Both the Intel PXA270 and the ConnectCore XP 270 use USB controllers.
Intel PXA270 USB
The Intel PXA270 has one USB Client Port and three USB Host Ports.
USB Host Ports
USB Host, Port 1 (Dedicated Port) - Differential
USB Port 2 is a multiplexed-port and can be used on single-ended and
differential signals. The Port 2 transceiver has internal pull-up/pull-down
resistors, so you don't need external resistors for the Client (pull-up) and
Host (pull-down).
USB Host, Port 3 (Dedicated Port) – Single-Ended
USB Client Controller features
USB Revision 1.1 compliant full-speed device, 12 Mbps, half duplex
Support 24 endpoints (endpoint 0 plus 26 programmable endpoints).
1 4
Type Description
R/(W) Protection Control Byte Page 2
R/(W) Protection Control Byte Page 3
R/(W) Copy protection byte
R Factory byte. Set at factory.
R/(W) User byte / Manufacturer ID
R/(W) User byte / Manufacturer ID
N/A Reserved
C o n n e c t C o r e X P 2 7 0 H a r d w a r e R e f e r e n c e , R e v . C
Protection codes
0x55: Write Protect
0xAA: EPROM mode
0x55 or 0xAA: Write protect 0x82
0x55: Write Protect
0xAA: EPROM mode
0x55 or 0XAA: Write protect 0x83
0x55 or 0xAA: Copy protect
0x0080:0x008F and any other write-
protected pages
0xAA: Write protect 0x85, 0x86, 0x87
0x55: Write protect 0x85, unprotect
0x86 and 0x87
0 8 / 2 0 0 7