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參數(shù)資料
| 型號(hào)： | C511-RN |
| 廠商： | SIEMENS A G |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-Bit CMOS Microcontroller |
| 中文描述： | 8-BIT, MROM, 12 MHz, MICROCONTROLLER, PQCC44 |
| 文件頁數(shù)： | 13/43頁 |
| 文件大?。?/td> | 692K |
| 代理商： | C511-RN |
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C511 / C513
Semiconductor Group
13
Table 4
Pin Definitions and Functions in Programming Mode (C513A-H only)
Symbol
Pin Number
I/O*) Function
P-LCC-44
PRES
15
I
Programming Interface Reset
A high level on this input resets the programming interface and
its registers to their initial state.
AD0 - AD7 43 - 36
I/O
Bidirectional Address/Data Bus
AD0-7 is used to transfer data to and from the registers of the
programming interface and to read the data of the memory field
during EEPROM verification.
PALE
16
I
Programming Address Latch Enable
This input is used to latch address information at AD0-7. The
trailing edge of PALE is used to latch the register addresses.
Each read or write access in programming mode must be
initiated by a PALE high pulse.
PRD
18
I
Programming Read Control
A low level at this pin (and PCS=low) enables the AD0-7 buffers
for reading of the data or control registers of the programming
interface.
PWR
19
I
Programming Write Control
A low level at this pin (and PCS=low) causes the data at AD0-
7 to be written into the data or control registers of the
programming interface.
PCS
17
I
Programming Chip Select
A low level at this pin enables the access to the registers of the
programming interface. If PCS is active, either PRD or PWR
control whether data is read or written into the registers.
PCS should be always deactivated between subsequent
accesses to the programming interface.
XTAL2
20
–
XTAL2
Output of the inverting oscillator amplifier.
XTAL1
21
–
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.
During the
device programming a clock must be always supplied.
*) I = Input
O = Output
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| C513A-LM | 8-Bit CMOS Microcontroller |
| C513A-LN | 8-Bit CMOS Microcontroller |
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