zl50400 Zarlink Semiconductor, zl50400 Datasheet - Page 16

• Manufacturer Part Number: zl50400
• Description: Lightly Managed/unmanaged 9-port 10/100 M Ethernet Switch
• Manufacturer: Zarlink Semiconductor

Ball Signal Description Table (continued)
C7
D8
C8
C9
C11, C10, D10
K15, R15, R12, R9,
R5, R2, L2, H2
1. External pull-up/down resistors are required on all bootstrap pins for proper operation. Recommend 10 K for pull-ups and 1 K for
pull-downs.
Ball No(s)
TSTOUT[9]
TSTOUT[10]
TSTOUT[11]
TSTOUT[12]
TSTOUT[15:13]
M[7:0]_TXEN
Symbol
Input (Reset Only)
Input (Reset Only)
Must be externally
pulled-down
Input (Reset Only)
Input (Reset Only)
Input (Reset Only)
Must be externally
pulled-up
Input (Reset Only)
Zarlink Semiconductor Inc.
ZL50400
I/O
16
Module Detect
Pullup: Enable. In this mode, the device will
detect the existence of a PHY (for hot swap
purpose).
Pulldown: Disable
Manufacturing Option. Must be pulled down.
Power Saving
Pullup: Enable MAC power saving mode
Pulldown: Disable MAC power saving mode
Timeout Reset Enable
Pullup: Enable
Pulldown: Disable
Manufacturing Options. Must be pulled-up.
User Defined Bootstrap:
Usually used in conjuction with Module Detect
to determine what interface to use for the
inserted module. Can be read from
BOOTSTRAP2 register
Description
Data Sheet