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參數(shù)資料
| 型號： | SAB80C515A-5 |
| 廠商： | SIEMENS AG |
| 元件分類： | 8位微控制器 |
| 英文描述： | 8-Bit CMOS Single-Chip Microcontroller Family |
| 中文描述： | 8位CMOS單芯片微控制器系列 |
| 文件頁數(shù)： | 10/57頁 |
| 文件大?。?/td> | 899K |
| 代理商： | SAB80C515A-5 |
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SAB 80C515A/83C515A-5
Semiconductor Group
9
XTAL1
40
37
-
XTAL1
Output of the inverting oscillator amplifier.
To drive the device from an external clock
source, XTAL2 should be driven, while XTAL1
is left unconnected. There are no require-
ments on the duty cycle of the external clock
signal, since the input to the internal clok-
king circuitry is divided down by a divide-by-
two flip-flop. Minimum and maximum high and
low times and rise/fall times specified in the
AC characteristics must be taken into account.
P2.0-P2.7 41-48
38-45
I/O
Port 2
is an 8-bit bidirectional I/O port with internal
pullup resistors. Port 2 pins that have 1's
written to them are pulled high by the internal
pullup resistors, and in that state can be used
as inputs. As inputs, port 2 pins being
externally pulled low will source current (
the DC characteristics) because of the internal
pullup resistors.
Port 2 emits the high-order address byte
during fetches from external program memory
and during accesses to external data memory
that use 16-bit addresses (MOVX@DPTR). In
this application it uses strong internal pullup
resistors when issuing 1's. During accesses to
external data memory that use 8-bit
addresses (MOVX@Ri), port 2 issues the
contents of the P2 special function register.
I
IL,
in
PSEN
49
47
O
The
output is a control signal that enables the
external program memory to the bus during
external fetch operations. It is activated every
six oscillator periods, except during external
data memory accesses. The signal remains
high during internal program execution.
Program Store Enable
ALE
50
48
O
The
output is used for latching the address into
external memory during normal operation. It is
activated every six oscillator periods, except
during an external data memory access.
Address Latch enable
Pin Definitions and Functions
(cont’d)
Symbol
Pin
P-LCC-68
Pin
P-MQFP-80
Input (I)
Output (O)
Function
相關PDF資料 |
PDF描述 |
|---|---|
| SAB80C515A-M18-T3 | 8-Bit CMOS Single-Chip Microcontroller |
| SAB83C515A-5M18-T3 | 8-Bit CMOS Single-Chip Microcontroller |
| SAB83C515A-5N18 | |
| SAB83C515A-5N18-T3 | 8-Bit CMOS Single-Chip Microcontroller |
| SAB83C515A-5 | 8-Bit CMOS Single-Chip Microcontroller |
相關代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SAB80C515A-M18-T3 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:8-Bit CMOS Single-Chip Microcontroller |
| SAB80C515AN18 | 制造商:Infineon Technologies AG 功能描述:MCU 8-Bit C500 8051 CISC ROMLess 5V 68-Pin PLCC |
| SAB-80C515A-N18 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Infineon Technologies AG 功能描述: |
| SAB80C515A-N18 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:8-Bit CMOS Single-Chip Microcontroller |
| SAB80C515A-N18-T3 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:8-Bit CMOS Single-Chip Microcontroller |
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