tc5299j ETC-unknow, tc5299j Datasheet - Page 11

• Manufacturer Part Number: tc5299j
• Description: Fast Ethernet Pcmcia Controller
• Manufacturer: ETC-unknow

TC5299J Controller actually has 32k-address range but only does partial decoding on these devices. 0000H – 001FH is
PROM address and 4000H – 7FFFH is Buffer RAM address, otherwise is reserved. To access either the PROM or the
RAM buffer which user must initiate a Remote DMA transfer between the I/O port and memory.
Remote Read/Write Cache:
The TC5299J Controller includes 4 words cache internally. On a remote read the TC5299J Controller moves data from
memory buffer to the cache buffer; the TC5299J moves data continuously until the cache buffer is full. On a remote
write the system can writes data into the cache buffer until the 4 words cache buffer is full.
4.3 Attribute Memory Mapping
PCMCIA CIS Structures & Decode Function:
The TC5299J supports access to 1K of attribute Memory. Attribute memory is defined by the PCMCIA standard to be
comprised of the card information structure and four 8-bits Card Configuration Registers. These four registers are
contained in the TC5299J.
The attribute Memory map for a PCMCIA card is shown below.
Address
00H-3E0H
3F0H (CCR4)
3F2H (CCR5)
3F4H-3F6H
3F8H(CCR0)
3FAH(CCR1)
3FCH(CCR2)
3FEH(CCR3)
Card Option Registers 0 (R/W): 3F8H (CCR0)
D7
SRESET
Name
PJ0-PJ1
PCMIOEN
SRESET
XX
JMP1 does not pull-low during power on reset.
4.3.1
Attribute Memory Map
D6
XX
Description
Attribute Memory
I/O Event indication Register
Control Register
Reserved
Configuration Option Register
Card Configuration and Status Register
Pin Replacement Register
Reserved
D5
PCMIOEN
Description
If JMP1 pulled low during power on reset and FUNC=0, The two bits select one of
4 I/O base address. (shows as below)
To set high make the card enter I/O mode. The function also can be set by JMP0
(MCS) when Power On Reset.
Setting this bit to high, place the card enter reset mode.
Reserved
D4
XX
-11-
D3
XX
D2
XX
D1
PJ1
D0
PJ0
07/04/01
Ver. 0.1
TC5299J