參數(shù)資料
型號: EM78P267A
廠商: ELAN Microelctronics Corp .
英文描述: 8-Bit Micro-Controller for Consumer Product(帶2K × 13片上ROM,工作電壓2.5V-5.5V的8位微控制器)
中文描述: 8位微控制器的消費(fèi)產(chǎn)品(帶2K × 13片上ROM的,工作電壓為2.5V至5.5V的8位微控制器)
文件頁數(shù): 6/20頁
文件大?。?/td> 144K
代理商: EM78P267A
* This specification are subject to be changed without notice.
EM78P267/467A/B/C
8-BIT MICRO-CONTROLLER FOR CONSUMER PRODUCT
6
Preliminary
9.5.1997
Fig. 4 Data memory configuration
R8~R1F, R20~R3E (General Purpose Register)
R8~R1F, and R20~R3E (including Banks 0~3) are general purpose registers.
R3F (Interrupt Status Register)
7
-
6
-
5
-
4
-
3
2
-
1
-
0
EXIF
TCIF
Bit 0 (TCIF)
TCC timer overflow interrupt flag. Set when TCC timer overflows, reset in software.
Bit 3 (EXIF)
External interrupt flag. Set by falling edge on /INT pin, reset in software.
Bits 1~2, 4~7
Not used.
1
means interrupt request,
0
means non-interrupt
R3F can be cleared by instruction and cannot be set by instruction.
31x8
Bank
Register
(Bank 3)
R0
R1(TCC)
R2(PC)
R3(Status)
R4(RSR)
R5(Port5)
R6(Port6)
R7(Port7)
R8
R9
RA
RB
RC
RD
RE
RF
IOC5
IOC6
IOC7
IOCE
IOCF
00
01
02
03
04
05
06
07
08
09
0A
0B
0C
0D
0E
0F
Stack
(5 levels)
10
11
:
1F
16x8
Common
Register
00
01
10
11
:
:
3E
10
:
3F
R3F
31x8
Bank
Register
(Bank 0)
31x8
Bank
Register
(Bank 1)
31x8
Bank
Register
(Bank 2)
IOCB
相關(guān)PDF資料
PDF描述
EM78P468N 8-BIT MICROCONTROLLER
EM78P468NAQ 8-BIT MICROCONTROLLER
EM78P468NBQ 8-BIT MICROCONTROLLER
EM78P468NCQ 8-BIT MICROCONTROLLER
EM78P468NH 8-BIT MICROCONTROLLER
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