at75c140 ATMEL Corporation, at75c140 Datasheet - Page 4

• Manufacturer Part Number: at75c140
• Description: Smart Internet Appliance Processor Siap-tm
• Manufacturer: ATMEL Corporation

Table 2. AT75C140 Pinout in 256-ball PBGA Package (Continued)
Note:
Table 3. AT75C140 Pin Description List in 208-lead PQFP Package and 256-ball PBGA Package
4
Pin
V15
V16
V17
V18
V19
V20
W01
W02
W03
W04
Block
Common Bus
Synchronous Dynamic
Memory Controller
Static Memory Controller
I/O Port A
I/O Port B
Signal
NC
D19
D23
D26
NC
D29
MB_MDC
NC
NC
MB_LINK
NC: Not connected
AT75C140
Pin
W05
W06
W07
W08
W09
W10
W11
W12
W13
W14
Pin Name in Package Type
256-ball PBGA
A[23:0]
D[31:0]
NREQ
NGNT
DCLK
DQM[3:0]
NCS
A10
NRAS
NCAS
NWE
NCE[3:0]
NWE[3:0]
NSOE
NWR
NWAIT
PA[12:0]
PA[19]
PA[18:13]
PA[31:20]
PB[9:0]
PB[15:10]
Signal
A5
A9
A12
A15
A19
A21
D1
D5
D9
D12
208-lead PQFP
A[21:0]
D[15:0]
NREQ
NGNT
DCLK
DQM[1:0]
NCS
A10
NRAS
NCAS
NWE
NCE[3:0]
NWE[3:0]
NSOE
NWR
NWAIT
PA[12:0]
PA[19]
-
PB[9:0]
-
Pin
W15
W16
W17
W18
W19
W20
Y01
Y02
Y03
Y04
Signal
VDD3V3
D17
D20
D24
NREQ
NC
NC
MB_MDIO
A2
A3
Function
Address Bus
Data Bus
Bus Request
Bus Grant
SDRAM Clock
SDRAM Byte Masks
SDRAM Chip Select
SDRAM Auto Precharge
Row Address Strobes
Column Address Strobes
SDRAM Write Enable
Chip Select
Byte Select/Write Enable
Output Enable
Memory Block Write Enable
Enable Wait States
General-purpose I/O lines.
Multiplexed with peripheral I/Os
General-purpose I/O lines.
Multiplexed with peripheral I/Os
Pin
Y05
Y06
Y07
Y08
Y09
Y10
Y11
Y12
Y13
Y14
Signal
A6
A10
A13
A16
A20
A23
D0
D4
D8
D11
Active
Level
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
-
-
-
-
-
-
-
Pin
Y15
Y16
Y17
Y18
Y19
Y20
2659A–INTAP–09/02
Signal
D13
D15
D18
D21
D25
NGNT
Output, TS
Output, TS
Output, TS
I/O, PD
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
I/O,PD
Type
I/O
Input
Input
I/O
I/O
(2)
(3)
(1)