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參數(shù)資料
| 型號： | SAK-C164CM-4RF |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 英文描述： | 16-Bit Single-Chip Microcontrol ler |
| 中文描述： | 16位單芯片Microcontrol萊爾 |
| 文件頁數(shù)： | 32/68頁 |
| 文件大小： | 1107K |
| 代理商： | SAK-C164CM-4RF |
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C164CM
C164SM
Data Sheet
28
V1.0, 2001-05
Parallel Ports
The C164CM provides up to 50 I/O lines which are organized into four input/output ports
and one input port. All port lines are bit-addressable, and all input/output lines are
individually (bit-wise) programmable as inputs or outputs via direction registers. The I/O
ports are true bidirectional ports which are switched to high impedance state when
configured as inputs. The output drivers of Port 8 can be configured (pin by pin) for push/
pull operation or open-drain operation via a control register. During the internal reset, all
port pins are configured as inputs.
All port lines have programmable alternate input or output functions associated with
them. All port lines that are not used for these alternate functions may be used as general
purpose IO lines.
PORT0 may be used as address and data lines when accessing external memory. Also
the serial interfaces ASC0 and SSC use the upper pins of P0H.
Ports P1L, P1H, and P8 are associated with the capture inputs or compare outputs of
the CAPCOM units and/or serve as external interrupt inputs.
Port 5 is used for the analog input channels to the A/D converter or timer control signals.
Port 20 includes the bus control signals RD, WR, ALE, the configuration input EA, the
the system control output RSTOUT, and the system clock output CLKOUT (or the
programmable frequency output FOUT).
The edge characteristics (transition time) and driver characteristics (output current) of
the C164CM
’
s port drivers can be selected via the Port Output Control registers
(POCONx).
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