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參數(shù)資料
| 型號： | C513-1RN |
| 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)： | 8/43頁 |
| 文件大?。?/td> | 692K |
| 代理商： | C513-1RN |
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Semiconductor Group
8
C511 / C513
Table 3
Pin Definitions and Functions
Symbol
Pin Number
I/O*) Function
P-LCC-
44
P-MQFP-
44
P1.7-P1.0
9-2
2
3
4
5
6
7
3-1,
44-40
40
41
42
43
44
1
I/O
Port 1
is a bidirectional I/O port with internal pull-up resistors.
Port 1 pins that have 1s written to them are pulled high by
the internal pullup resistors, and in that state can be used
as inputs. As inputs, port 1 pins being externally pulled
low will source current (
I
IL
, in the DC characteristics)
because of the internal pullup resistors. Port 1 also
contains the timer 2 and SSC pins as secondary function.
In general the output latch corresponding to a secondary
function must be programmed to a one (1) for that
function to operate.
For the outputs of the SSC (SCLK, STO) special circuitry
is implemented, providing true push-pull capability. The
STO output in addition will have true tristate capability.
When used for SSC inputs, the pull-up resistors will be
switched off and the inputs will float (high ohmic inputs).
The alternate functions are assigned to port 1, as follows:
P1.0
P1.1
T2
T2EX
Input to counter 2
1)
Capture -Reload trigger of timer 2
1)
Up-Down count
SSC Master Clock Output
SSC Slave Clock Input
SSC Receive Input
SSC Transmit Output
Slave Select Input
P1.2
SCLK
P1.3
P1.4
P1.5
SRI
STO
SLS
1
)
not available in the C511/511A
*) I = Input
O = Output
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