UPD17073 NEC, UPD17073 Datasheet - Page 205

• Manufacturer Part Number: UPD17073
• Description: 4-BIT SINGLE-CHIP MICROCONTROLLER WITH HARDWARE FOR DIGITAL TUNING SYSTEM
• Manufacturer: NEC

21.2 Legend
AR
ASR
addr
BANK
CMP
CY
DBF
h
INTEF
INTR
INTSK
MP
m
n
n4
PAGE
PC
p
r
SP
s
( )
MPE
m
m
p
p
H
L
R
C
: Address register
: Address stack register indicated by stack pointer
: Program memory address (lower 11 bits)
: Bank register
: Compare flag
: Carry flag
: Data buffer
: Halt release condition
: Interrupt enable flag
: Register automatically saved to stack when interrupt occurs
: Interrupt stack register
: Data memory row address pointer
: Memory pointer enable flag
: Data memory address indicated by m
: Data memory row address (higher)
: Data memory column address (lower)
: Bit position (4 bits)
: Immediate data (4 bits)
: Page (bits 11 of program counter)
: Program counter
: Peripheral address
: Peripheral address (higher 3 bits)
: Peripheral address (lower 4 bits)
: General register column address
: Stack pointer
: Stop release condition
: Contents address by
R
, m
C
PD17072,17073
205