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参数资料
| 型号： | C505CA-4RC |
| 厂商： | INFINEON TECHNOLOGIES AG |
| 英文描述： | 8-bit Single-Chip Microcontroller (Bare Die Delivery) |
| 中文描述： | 8位单片机（裸片交付） |
| 文件页数： | 13/22页 |
| 文件大小： | 322K |
| 代理商： | C505CA-4RC |
C505CA-4RC
Step BB
Data Sheet
13
V1.3, 2000-12
Note: All V
SS
pads and all V
DD
pads must be connected to the system ground and the
power supply, respectively.
The pad definitions and locations in this table are only valid for the indicated device
and design step.
Handling Of Unconnected Pads
Signal input stages may generate undesired switching noise and cross-current when left
open. Respect the following precautions for unconnected (not bonded) pads:
1) Avoid to set unconnected P1 pad as analog input if left open. However, P1 is set as digital I/O by default after
reset.
P1.2
47
I/O
0
1129
Port 1 general Input/Output (quasi-bidirectional)/
Analog input channel 2 / interrupt 5 input /
capture/compare channel 2 I/O
Port 1 general Input/Output (quasi-bidirectional)/
Analog input channel 3 /interrupt 6 input /
capture/compare channel 3 I/O
Port 1 general Input/Output (quasi-bidirectional)/
Analog input channel 4
P1.3
48
I/O
0
776
P1.4
49
I/O
0
453
Table 3
Pad Type
Power Supply
Standard I/O
pads(except P0)
Port 0
Precautions for Unconnected Pads
Recommended Action
Always connect!
Can be left
Related Pads
V
DD
, V
SS
, V
AREF
, V
AGND
P1
1)
, P2, P3, P4
Set the corresponding
pad latches to
’
0
’
s
Always connect!
P0
Required control
lines
Optional control
lines
RESET, XTAL1,EA
Can be left open
ALE, PSEN, XTAL2
Table 2
Symbol Pad
Pad Definition and Functions
In/
Out
(I/O)
x
Num.
Position
[
μ
m]
Function
y
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