W90210F Winbond Electronics Corp America, W90210F Datasheet - Page 11

• Manufacturer Part Number: W90210F
• Description: Pa-risc Embedded Controller
• Manufacturer: Winbond Electronics Corp America

ROMRW#
ROMOE#
MA[0:11]
MD[0:31]
COM1 Serial Port Signal
SIN1
SOUT1
CTS1n
DSR1n
DTR1n
RTS1n
DCD1n
RIN1n
COM2 Serial Port Signal
SIN2
SOUT2
The above information is the exclusive intellectual property of Winbond Electronics Corp. and shall not be disclosed, distributed or reproduced without permission from Winbond.
O
O
O
I/O
I
O
I
O
I
O
I
O
I
O
15
16
206-208,1,3-4,6-
7,9-10,12-13
157-159,161-
162,164-167,169-
170,172-178,180-
181,183-194
92
94
95
96
97
98
100
103
99
101
11
FLASH ROM write enable. This signal is used to write data into
the mrmory in a ROM bank (such as Flash ROM).
ROM output enable. This signal enables the selected ROM Bank
to drive the MD bus.
Memory controller Memory Address bus. For DRAM access,
MA[0:11] is the DRAM row address and the DRAM column
address. For ROM/FLASH ROM access, MA[0:11] is the higher
portion ROM space address bits in the first ROM address cycle,
and the lower portion ROM space address bits after the first ROM
address cycle. MA[0] is the most significant bit (msb).
Memory controller Data bus for both DRAM data and ROM space
data. Bit 0 is the most significant bit (msb).
COM1 serial data input from the communication link (modem or
peripheral device).
COM1 serial data output to the communication link (modem or
peripheral device).
COM1 clear to send signal
COM1 data set ready
COM1 data terminal ready
COM1 request to send
COM1 data carrier detect
COM1 ring indicator
COM2 serial data input from the communication link (modem or
peripheral device).
COM2 serial data output to the communication link (modem or
peripheral device).
W90210F
Version 1.4, 10/8/97