參數(shù)資料
型號: UPD17228
廠商: NEC Corp.
元件分類: 4位微控制器
英文描述: 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
中文描述: 4位單片機的小型通用紅外遙控器
文件頁數(shù): 61/84頁
文件大?。?/td> 393K
代理商: UPD17228
μ
PD17225, 17226, 17227, 17228
61
Data Sheet U12643EJ2V0DS00
12.2
Legend
AR
: Address register
ASR
: Address stack register specified by stack pointer
addr
: Program memory address (low-order 11 bits)
BANK
: Bank register
CMP
: Compare register
CY
: Carry flag
DBF
: Data buffer
h
: Halt releasing condition
INTEF
: Interrupt enable flag
INTR
: Register automatically saved to stack in case of interrupt
INTSK
: Interrupt stack register
IX
: Index register
MP
: Data memory row address pointer
MPE
: Memory pointer enable flag
m
: Data memory address specified by m
R
, m
C
m
R
: Data memory row address (high)
m
C
: Data memory column address (low)
n
: Bit position (4 bits)
n4
: Immediate data (4 bits)
PAGE
: Page (bit 11 and 12 of program counter)
PC
: Program counter
p
: Peripheral address
p
H
: Peripheral address (high-order 3 bits)
p
L
: Peripheral address (low-order 4 bits)
r
: General register column address
rf
: Register file address
rf
R
: Register file row address (high-order 3 bits)
rf
C
: Register file column address (low-order 4 bits)
SP
: Stack pointer
s
: Stop releasing condition
WR
: Window register
(
×
)
: Contents addressed by
×
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