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| 型号： | C515A |
| 厂商： | SIEMENS AG |
| 元件分类： | 8位微控制器 |
| 英文描述： | 8-Bit CMOS Microcontroller |
| 中文描述： | 8位CMOS微控制器 |
| 文件页数： | 10/58页 |
| 文件大小： | 634K |
| 代理商： | C515A |
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C515A
Semiconductor Group
10
1997-10-01
XTAL2
36
–
XTAL2
Input to the inverting oscillator amplifier and input to the
internal clock generator circuits. To drive the device
from an external clock source, XTAL2 should be driven,
while XTAL1 is left unconnected.
Minimum and
maximum high and low times as well as rise/fall times
specified in the AC characteristics must be observed.
XTAL1
37
–
XTAL1
Output of the inverting oscillator amplifier.
P2.0-P2.7
38-45
I/O
Port 2
is an 8-bit quasi-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 (
I
IL
, in 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.
PSEN
47
O
The
Program Store Enable
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.
ALE
48
O
The
Address Latch Enable
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. ALE can be switched off when the
program is executed internally.
*) I = Input
O = Output
Table 1
Pin Definitions and Functions (cont’d)
Symbol
Pin Number
(P-MQFP-80)
I/O*)
Function
相关PDF资料 |
PDF描述 |
|---|---|
| C515C | 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash |
| C515C-8EM | RW-D Series - Econoline Regulated DC-DC Converters; Input Voltage (Vdc): 48V; Output Voltage (Vdc): 05V; Power: 2W; DIP24 Low Profile Package; Dual Ouputs from a Single Supply; 2:1 Wide Range Voltage Input; 3kVDC Isolation; UL94V-0 Package Material; Continuous Short Circuit Protection; Low profile 7mm Height; Approved for Medical Applications; Efficiency to 85% |
| C515C-8RM | RW-S Series - Econoline Regulated DC-DC Converters; Input Voltage (Vdc): 48V; Output Voltage (Vdc): 05V; Power: 2W; DIP24 Low Profile Miniature Package; 1kVDC Isolation; Feedback Regulated Output; 2:1 Wide Range Voltage Input; Continuous Short Circuit Protection; Less than 7mm Height; SMD Pinning Option; Efficiency to 87% |
| C515C-LM | 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash |
| C515C | 8-Bit CMOS Microcontroller |
相关代理商/技术参数 |
参数描述 |
|---|---|
| C515A_9708 | 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:8-Bit CMOS Microcontroller |
| C515C | 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:8-Bit Single-Chip Microcontroller |
| C515C_9711 | 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:8-Bit CMOS Microcontroller |
| C515C-8E | 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:8-Bit CMOS Microcontroller |
| C515C-8EM | 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:8-Bit Single-Chip Microcontroller |
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