Reference Schematics; Figure 4. Reference Schematics - Texas Instruments DUAL SOCKET PC CARD CONTROLLER PCI1520 Implementation Manual

SCPA033
13

Reference Schematics

The following schematics show the most basic implementation of the PCI1520 possible. These
schematics provide minimum functionality. All interrupts are routed using IRQSER.
22 PCI1520 Implementation Guide
3.3VCC
C10 C11 C12
.1uF .1uF .1uF
U2A
AD10 1
AD10
AD9
2
AD9
AD8
3
AD8
4
C/BE0#
AD7
5
AD7
6
GND
AD6 7
AD6
AD5
8
AD5
AD4
9
AD4
AD3
10
AD3
AD2 11
AD2
AD1 12
AD1
AD0
13
AD0
C/BE#0
152
SPKROUT#
153
LATCH
154
CLOCK
155
DATA
R4
43K
R5
43K
NOTE:
R4 PULL-DOWN ON CLOCK
REQUIRED WHEN USING
INTERNAL OSC
R6 R7 R8 R9
3.3VCC 43K 43K 43K 43K
PCI12V
C13 C14
U3
10uF .1uF
1
5VIN
2
5VIN
3
DATA
4
CLOCK
5
LATCH
AVPP 6
NC
7
12VIN
8
AVPP
9
AVCC
C17 10
AVCC
11
AVCC
12
.1uF
GND
13
NC
14
RESET#
15
3.3VIN
TPS2226A
AVCC
C19 C20
.1uF 10uF
Figure 4. Reference Schematics – Page 1
NOTE: THESE ARE THE PCI TERMINALS. PLEASE REFER TO SECTION 4
FOR INFORMATION ON WHICH TERMINALS NEED PULLUP RESISTORS.
191 AD17
AD17
AD18
190
AD18
AD19
189
AD19
AD20
188
AD20
AD21
187
AD21
186 AD22
AD22
185
GND
AD23
184
AD23
183
IDSEL
182
PCLK
181 AD24
AD24
180
VCCP
AD26
179
AD26
AD27
178
AD27
177
GRST#
176 AD28
AD28
175 AD29
AD29
174
VCC
PCI1520 (PCI)
NOTE: GRST# IS A
POWER-ON RESET. IT
SHOULD BE ASSERTED AT
POWER UP, WAIT AT
LEAST 100US AFTER PCLK
R10 R11 R12 R13
43K 43K 43K 43K IS STABLE, THEN BE
DEASSERTED FOR
PROPER INITIALIZATION.
NOTE: IRQSER SHOULD BE
PCI5V
ROUTED TO AN
INTERRUPT CONTROLLER.
C15 C16
30
5VIN 10uF .1uF
29
NC
28
NC
27
NC
26
NC
25 BVPP
SHDN#
24
12VIN
23
BVPP
22
BVCC
21 C18
BVCC
20
BVCC
19
.1uF
NC
18
OC#
17
3.3VIN
16
3.3VIN
PCI3.3V BVCC
C21 C22
.1uF .1uF
VCCP
PAR
SERR#
PERR#
STOP#
DEVSEL#
TRDY#
IRDY#
FRAME#
C/BE#[3..0]
AD[31..0]
IDSEL
PCLK
REQ#
GNT#
PRST#
PME#
GRST#
IRQSER