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UPD77112GC Datasheet(PDF) 3 Page - NEC

Part # UPD77112GC
Description  16-BIT FIXED-POINT DIGITAL SIGNAL PROCESSORS
PDF  80 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD77112GC Datasheet(HTML) 3 Page - NEC

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Serial
I/O #1
Peripheral units
Data memory unit
Operation unit
Program
control unit
Serial
I/O #2
Port
Host I/O
X memory
data
addressing
unit
X memory
Y memory
Interrupt
control
Loop control
stack
PC stack
PLL
MPY
16
× 16 + 40 → 40
ALU (40)
R0 - R7
X bus
Y bus
External memory
INT1 - INT4
Note 1
RESET
CLKOUT
CLKIN
WAKEUP
Note 1
PLL0 - PLL2
Note 2
Main bus
Wait
controller
IE
I/O
CPU control
Notes 1. The WAKEUP pin is multiplexed with the INT4 pin. With the
PD77111 and 77112, the function of the WAKEUP pin can be
activated or deactivated by mask option. With the
PD77110, this function is always valid.
2. These pins are provided only on the
PD77110. The PLL0 and PLL1 pins are multiplexed with the P2 and P3 pins.
BSFT
Y memory
data
addressing
unit
Instruction
memory
µ
µ
µ



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