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參數(shù)資料
| 型號： | Q67121-C1070 |
| 廠商： | SIEMENS AG |
| 元件分類： | 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 |
| 文件頁數(shù)： | 13/69頁 |
| 文件大?。?/td> | 1124K |
| 代理商： | Q67121-C1070 |
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Semiconductor Group
13
1997-07-01
C515C
VSSCLK
13
–
Ground (0 V) for on-chip oscillator
This pin is used for ground connection of the on-chip
oscillator circuit.
VCCCLK
14
–
Supply voltage for on-chip oscillator
This pin is used for power supply of the on-chip oscillator
circuit.
VCCE1
VCCE2
32
68
–
Supply voltage for I/O ports
These pins are used for power supply of the I/O ports
during normal, idle, and power-down mode.
VSSE1
VSSE2
35
70
–
Ground (0 V) for I/O ports
These pins are used for ground connections of the I/O
ports during normal, idle, and power-down mode.
VCC1
33
–
Supply voltage for internal logic
This pins is used for the power supply of the internal logic
circuits during normal, idle, and power down mode.
VSS1
34
–
Ground (0 V) for internal logic
This pin is used for the ground connection of the internal
logic circuits during normal, idle, and power down mode.
VCCEXT
50
–
Supply voltage for external access pins
This pin is used for power supply of the I/O ports and
control signals which are used during external accesses
(for Port 0, Port 2, ALE, PSEN, P3.6/WR, and P3.7/RD).
VSSEXT
51
–
Ground (0 V) for external access pins
This pin is used for the ground connection of the I/O ports
and control signals which are used during external
accesses (for Port 0, Port 2, ALE, PSEN, P3.6/WR, and
P3.7/RD).
N.C.
2, 71
–
Not connected
These pins should not be connected.
*) I = Input
O = Output
Table 1
Pin Definitions and Functions (cont’d)
Symbol
Pin Number
I/O*)
Function
P-MQFP-80
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