參數(shù)資料
型號(hào): MPC9855VF
廠商: MOTOROLA INC
元件分類: 時(shí)鐘產(chǎn)生/分配
英文描述: 200 MHz, PROC SPECIFIC CLOCK GENERATOR, PBGA100
封裝: MAPBGA-100
文件頁(yè)數(shù): 6/12頁(yè)
文件大?。?/td> 173K
代理商: MPC9855VF
MPC9855
TIMING SOLUTIONS
3
Table 1. Pin Configuration
Pin
I/O
Type
Function
Supply
Active
State
CLK,
Input
LVCMOS
PLL reference clock input (pull-down)
VDD
-
PCLK, PCLK
Input
LVPECL
PLL reference clock input
(PCLK - pull-down, PCLK - pull-up and pull-down)
VDD
-
QA0, QA1,
QA2, QA3
QB0, QB1,
QB2, QB3
Output
LVCMOS
Clock Outputs
VDDOA
-
REF_OUT0
REF_OUT1
Output
LVCMOS
Reference Output (25 MHz or 33 MHz)
VDD
-
XTAL_IN
Input
LVCMOS
Crystal Oscillator Input Pin
VDD
-
XTAL_OUT
Output
LVCMOS
Crystal Oscillator Output Pin
VDD
-
CLK_SEL
Input
LVCMOS
Select between CLK and PCLK input (pull-down)
VDD
high
XTAL_SEL
Input
LVCMOS
Select between External Input and Crystal Oscillator Input (pull-
down)
VDD
high
REF_33 MHz
Input
LVCMOS
Selects 33MHz input (pull-down)
VDD
high
REF_OUT1_E
Input
LVCMOS
Enables REF_OUT! output (pull-down)
VDD
high
MR
Input
LVCMOS
Master Reset (pull-up)
VDD
low
PLL_BYPASS
Input
LVCMOS
Select PLL or static test mode (pull-up)
VDD
high
CLK_A[0:5]a
a.
PowerPC bit ordering (bit 0 = msb, bit 5 = lsb).
Input
LVCMOS
Configures Bank A clock output frequency (pull-up)
VDD
-
CLK_B[0:5]b
b.
PowerPC bit ordering (bit 0 = msb, bit 5 = lsb).
Input
LVCMOS
Configures Bank B clock output frequency (pull-up)
VDD
-
VDD
-
3.3 V Supply
-
VDDA
-
Analog Supply
-
VDDOA
-
Output Supply - Bank A
-
VDDOB
-
Output Supply - Bank B
-
GND
-
Ground
-
Table 2. Function Table
Control
Default
0
1
CLK_SEL
0
CLK
PCLK
XTAL_SEL
0
CLKx
XTAL
PLL_BYPASS
0
Normal
Bypass
REF_OUT1_E
0
Disables REF_OUT1
Enables REF_OUT1
REF_33 MHz
0
Selects 25 MHz Reference
Selects 33 MHz Reference
MR
1
Reset
Normal
CLK_A and CLK_B control output frequencies. Refer to Table 3 for specific device configuration
相關(guān)PDF資料
PDF描述
MPC9855VMR2 200 MHz, PROC SPECIFIC CLOCK GENERATOR, PBGA100
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