参数资料
型号: C164CL
厂商: INFINEON TECHNOLOGIES AG
英文描述: 16-Bit Single-Chip Microcontroller
中文描述: 16位单片机
文件页数: 11/79页
文件大小: 1314K
代理商: C164CL
C164CI/SI
C164CL/SL
Data Sheet
7
V2.0, 2001-05
EA/
V
PP
28
I
External Access Enable pin.
A low level
at this pin during and after Reset forces the
C164CI to latch the configuration from PORT0 and pin RD,
and to begin instruction execution out of external memory.
A high level
forces the C164CI to latch the configuration
from pins RD and ALE, and to begin instruction execution out
of the internal program memory.
ROMless
versions must have this pin tied to
0
.
Note: This pin also accepts the programming voltage for the
OTP derivatives.
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 (A) and address/data (AD) bus in multiplexed
bus modes and as the data (D) bus in demultiplexed bus
modes.
Demultiplexed bus modes:
Data Path Width:
8-bit
P0L.0
P0L.7:
D0
D7
P0H.0
P0H.7:
I/O
Multiplexed bus modes:
Data Path Width:
8-bit
P0L.0
P0L.7:
AD0
AD7
P0H.0
P0H.7:
A8
A15
PORT0
P0L.0-7
P0H.0-7
29-
36
37-39,
42-46
IO
16-bit
D0
D7
D8
D15
16-bit
AD0
AD7
AD8
AD15
Table 2
Symbol Pin
Pin Definitions and Functions
(cont
d)
Input
Outp.
No.
Function
相关PDF资料
PDF描述
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
C164SV 16-Bit Single-Chip Microcontroller
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