Measurement-computing PCI-CTR20HD Manuel d'utilisateur Page 8

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PCI-CTR20HD User's Guide Introducing the PCI-CTR20HD board
PCI-CTR20HD block diagram
PCI-CTR20HD functions are illustrated in the block diagram shown here.
PCI
Controller
BADR1
Interrupt
Boot
EEPROM
Control
Registers
Clock
Divider
Decode/Status
Int
Ctl
Bus
Timing
Clock Select
1/1.67/3.33/5 MHz
Controller FPGA and Logic
PCI BUS (5V/3.3V, 32-BIT, 33 MHZ)
Clock
Select
BADR2
Counter A
CTS9513
16-Bit Counters
1/1.67/3.33/5 MHz
or
EXT SRCA_IN
IRQCD_IN
LOCAL BUS
Control
Counter 1
Counter 2
Counter 3
Counter 4
Counter 5
Counter 1
Control
Counter 2
Counter 3
Counter 4
Counter 5
Control
Counter 1
Counter 2
Counter 3
Counter 4
Counter 5
Counter 1
Control
Counter 2
Counter 3
Counter 4
Counter 5
CTR1CLK_A
CTR1GATE_A
CTR1OUT_A
ControlControl
CONTROL
BUS
CONTROL
BUS
CONTROL
BUS
CONTROL
BUS
CTR2CLK_A
CTR2GATE_A
CTR2OUT_A
CTR3CLK_A
CTR3GATE_A
CTR3OUT_A
CTR4CLK_A
CTR4GATE_A
CTR4OUT_A
CTR5CLK_A
CTR5GATE_A
CTR5OUT_A
CTR1CLK_B
CTR1GATE_B
CTR1OUT_B
CTR2CLK_B
CTR2GATE_B
CTR2OUT_B
CTR3CLK_B
CTR3GATE_B
CTR3OUT_B
CTR4CLK_B
CTR4GATE_B
CTR4OUT_B
CTR5CLK_B
CTR5GATE_B
CTR5OUT_B
CTR1CLK_C
CTR1GATE_C
CTR1OUT_C
CTR2CLK_C
CTR2GATE_C
CTR2OUT_C
CTR3CLK_C
CTR3GATE_C
CTR3OUT_C
CTR4CLK_C
CTR4GATE_C
CTR4OUT_C
CTR5CLK_C
CTR5GATE_C
CTR5OUT_C
CTR1CLK_D
CTR1GATE_D
CTR1OUT_D
CTR2CLK_D
CTR2GATE_D
CTR2OUT_D
CTR3CLK_D
CTR3GATE_D
CTR3OUT_D
CTR4CLK_D
CTR4GATE_D
CTR4OUT_D
CTR5CLK_D
CTR5GATE_D
CTR5OUT_D
Counter B
CTS9513
16-Bit Counters
Counter C
CTS9513
16-Bit Counters
Counter D
CTS9513
16-Bit Counters
1/1.67/3.33/5 MHz
or
EXT SRCB_IN
1/1.67/3.33/5 MHz
or
EXT SRCC_IN
1/1.67/3.33/5 MHz
or
EXT SRCD_IN
10 MHz
Oscillator
Figure 1-1. PCI-CTR20HD functional block diagram
1-2
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