LC651432F Просмотр технического описания (PDF) - SANYO -> Panasonic
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LC651432F Datasheet PDF : 39 Pages
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LC651432N/F/L, 651431N/F/L
Pin Nomenclature
OSC1, OSC2: Connections for capacitor and resistor oscillator components or a ceramic oscillator element.
PG0 to 3: Shared-function I/O port G0 to 3
PI0: Shared-function I/O port IO
RES: Reset
TEST: Test
PA0 to 3: Shared-function I/O port A0 to 3
INT: Interrupt request
PC0 to 3: Shared-function I/O port C0 to 3
SI: Serial input
PD0 to 3: Shared-function I/O port D0 to 3
SO: Serial output
PE0 to 3: Shared-function I/O port E0 to 3
SCK: Serial clock input or output pin
PF0 to 3: Shared-function I/O port F0 to 3
Notes: 1. The SI, SO, SCK, and INT pins are shared-function pins also used as PF0 to 3.
2. OSC2 and PIO are a single pin set exclusively to one or the other function as a user option.
System Block Diagram
LC651432N/F/L, LC651431N/F/L
PA0 to 3
PC0 to 3
PD0 to 3
Port A
Port C
Port D
RAM
F WR
DP
PC
STACK 1
STACK 2
STACK 3
STACK 4
ROM
IR
I.DEC
PE0 to 3
Port E
System bus
PF0 to 3
Port F
PF1/SO
4/8 bits
Serial
shift
register
Lower digit
4 bits
Serial
shift
register
PF0/SI
PF2/SCK
PF3/INT
Higher
4/8 bits
E
AC
ALU
Serial
mode
register
Serial
mode
register
I/O bus
Port G
Port I
PG0-3
PI0
*
STS
CF ZF EXTF TMF
CSF ZSF
Note: * OSC2 and PIO are a single pin set exclusively to one or the other function as a user option.
TM CTL
INT
OSC
OSC1
OSC2*
RES
TEST
VDD
VSS
RAM: Data memory
F: Flags
WR: Working register
AC: Accumulator
ALU: Arithmetic and logic unit
DP: Data pointer
E: E register
CTL: Control register
OSC: Oscillator circuit
TM: Timer
STS: Status register
ROM: Program memory
PC:
Program counter
INT: Interrupt control
IR:
Instruction register
I.DEC: Instruction decoder
CF, CSF: Carry flag, carry save flag
ZF, ZSF: Zero flag, zero save flag
EXTF: External interrupt request flag
TMF: Internal interrupt request flag
No. 6498-6/39
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