Renesas HD151TS207SS Manuel D’Utilisation
HD151TS207SS
Rev.1.00, Apr.25.2003, page 4 of 38
Pin Descriptions
Pin name
No.
Type
Description
VSS_A
54
Ground for PLL
VSS_CPU
45
Ground for outputs
VSS_IREF
53
Ground for current reference
VSS_SRC
39
VSS_3V66
25
VSS_PCI
11, 17
VSS_REF
6
VSS_48
33
Ground
Ground for outputs
VDD_A
55
3.3 V Power Supply for PLL
VDD_CPU
42, 48
VDD_SRC
36
VDD_3V66
24
VDD_PCI
10, 16
VDD_REF
3
VDD_48
34
Power
3.3 V Power Supply for outputs
REF0
1
REF1
2
OUTPUT
3.3 V 14.318 MHz reference clock.
XTAL_IN
4
INPUT
14.318 MHz XTAL input.
XTAL_OUT
5
OUTPUT
14.318 MHz XTAL output.
Don’t connect when an external clock is applied at XTAL_IN.
Don’t connect when an external clock is applied at XTAL_IN.
FS2/PCIF_[0:1]
7,8
INPUT/
OUTPUT
OUTPUT
Frequency select latch input pin.
/Free running PCI clock 3.3 V output.
/Free running PCI clock 3.3 V output.
PCIF_2
9
OUTPUT
Free running PCI clock 3.3 V output.
**MODE/PCI_0
12
INPUT/
OUTPUT
OUTPUT
Function select latch input pin for pin 22,
1 = Reset#, 0 = clock output.
/PCI clock 3.3 V output.
1 = Reset#, 0 = clock output.
/PCI clock 3.3 V output.
PCI_[1:3]
13,14,
15
15
OUTPUT
PCI clock 3.3 V outputs.
**SEL100_200/
PCI_4
PCI_4
18
INPUT/
OUTPUT
OUTPUT
Latched select input for SRC output.
1 = 200 MHz, 0 = 100 MHz
/PCI clock 3.3 V output.
1 = 200 MHz, 0 = 100 MHz
/PCI clock 3.3 V output.
**SEL33_25/PCI_5
19
INPUT/
OUTPUT
OUTPUT
Latched select input for PCI5 output.
1 = 25 MHz, 0 = 33 MHz
/PCI clock 3.3 V output.
1 = 25 MHz, 0 = 33 MHz
/PCI clock 3.3 V output.
PCI_6
20
OUTPUT
PCI clock 3.3 V outputs.
Note:
(*):
Those pins are 150 k
Ω
internal pulled-UP.
(**):
Those pins are 150 k
Ω
internal pulled-DOWN.