参数资料
型号: C164CI
厂商: INFINEON TECHNOLOGIES AG
英文描述: 16-bit CMOS Single-Chip Microcontroller
中文描述: 16位CMOS单片机
文件页数: 7/53页
文件大小: 611K
代理商: C164CI
Semiconductor Group
7
1998-02
C164CI
RD
25
O
External Memory Read Strobe. RD is activated for every
external instruction or data read access.
WR /
WRL
26
O
External Memory Write Strobe. In WR-mode this pin is
activated for every external data write access. In WRL-mode
this pin is activated for low byte data write accesses on a 16-
bit bus, and for every data write access on an 8-bit bus. See
WRCFG in register SYSCON for mode selection.
ALE
27
O
Address Latch Enable Output. Can be used for latching the
address into external memory or an address latch in the
multiplexed bus modes.
EA
28
I
External Access Enable pin. A low level at this pin during and
after Reset forces the C164CI to begin instruction execution
out of external memory. A high level forces execution out of
the internal ROM.
Note:
This pin also accepts the programming voltage for OTP
versions of the C164CI.
PORT0:
P0L.0 –
P0L.7,
P0H.0 -
P0H.7
29 -
36
37 - 39,
42 - 46
I/O
PORT0 consists of the two 8-bit bidirectional I/O ports P0L
and P0H. It is bit-wise programmable for input or output via
direction bits. For a pin configured as input, the output driver
is put into high-impedance state.
In case of an external bus configuration, PORT0 serves as
the address and data (AD) bus.
Data Path Width:
8-bit
P0L.0 – P0L.7:
AD0 – AD7
P0H.0 – P0H.7:
A8 - A15
16-bit
AD0 - AD7
AD8 - AD15
Pin Definitions and Functions
(cont’d)
Symbol
Pin
Number
Input (I)
Output (O)
Function
相关PDF资料
PDF描述
C164CL 16-Bit Single-Chip Microcontroller
C164SI 16-Bit Single-Chip Microcontroller
C164SL 16-Bit Single-Chip Microcontroller
C164CM 16-Bit Single-Chip Microcontrol ler
C164SM 16-Bit Single-Chip Microcontrol ler
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