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參數(shù)資料
| 型號(hào)： | Q67120-C508 |
| 英文描述： | IC-SM-8-BIT CPU 12-MHZ |
| 中文描述： | 集成電路釤8位CPU的12兆赫 |
| 文件頁(yè)數(shù)： | 14/121頁(yè) |
| 文件大?。?/td> | 1000K |
| 代理商： | Q67120-C508 |
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Semiconductor Group
1-8
Introduction
C501
XTAL2
20
18
14
–
XTAL2
Output of the inverting oscillator
amplifier.
XTAL1
21
19
15
–
XTAL1
Input to the inverting oscillator amplifier
and input to the internal clock generator
circuits.
To drive the device from an external
clock source, XTAL1 should be driven,
while XTAL2 is left unconnected. There
are no requirements on the duty cycle of
the external clock signal, since the input
to the internal clocking circuitry is divided
down by a divide-by-two flip-flop.
Minimum and maximum high and low
times as well as rise fall times specified
in the AC characteristics must be
observed.
P2.0 – P2.7 24–31
21–28
18–25
I/O
Port 2
is a quasi-bidirectional I/O port with
internal pull-up resistors. Port 2 pins that
have 1s written to them are pulled high
by the internal pull-up resistors, and in
that state they can be used as inputs. As
inputs, port 2 pins being externally pulled
low will source current (
I
IL
, in the DC
characteristics) because of the internal
pull-up 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
pull-up resistors when issuing 1s. 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
= Input
O = Output
Table 1-1
Pin Definitions and Functions
(cont’d)
Symbol
Pin Number
I/O*) Function
P-LCC-44 P-DIP-40 P-MQFP-44
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PDF描述 |
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| Q67127-C2036SAB-C161R1-L16M | IC-SM-16 BIT CPU |
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| Q67120-C517 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:HIGH PERFORMANCE 32-BIT RISC MICROPROCESSOR |
| Q67120-C552 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:HIGH-PERFORMANCE 16-BIT CMOS SINGLE-CHIP MICROCONTROLLERS FOR EMBEDDED CONTROL APPLICATIONS |
| Q67120-C556 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:WRITE BUFFER |
| Q67120-C557 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:WRITE BUFFER |
| Q67120-C582 | 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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