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參數(shù)資料
| 型號(hào)： | UPD1724x |
| 廠商： | NEC Corp. |
| 英文描述： | 4-BIT SINGLE-CHIP MICROCONTROLLERS FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTERS |
| 中文描述： | 4位單片微控制器的小型通用兩用紅外遙控遞質(zhì) |
| 文件頁(yè)數(shù)： | 84/102頁(yè) |
| 文件大?。?/td> | 461K |
| 代理商： | UPD1724X |
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84
Data Sheet U15002EJ1V0DS
μ
PD17240, 17241, 17242, 17243, 17244, 17245, 17246
13.2 Legend
AR:
Address register
ASR:
Address stack register specified by stack pointer
addr:
Program memory address (lower 11 bits)
BANK:
Bank register
CMP:
Compare flag
CY:
Carry flag
DBF:
Data buffer
entry:
Entry address of system segment
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 (bits 11 and 12 of program counter)
PC:
Program counter
p:
Peripheral address
p
H
:
Peripheral address (higher 3 bits)
p
L
:
Peripheral address (lower 4 bits)
r:
General register column address
rf:
Register file address
rf
R
:
Register file row address (higher 3 bits)
rf
C
:
Register file column address (lower 4 bits)
SP:
Stack pointer
s:
Stop releasing condition
WR:
Window register
(
×
):
Contents addressed by
×
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