參數(shù)資料
型號(hào)： XA-C3
廠商： NXP Semiconductors N.V.
英文描述： XA 16-bit microcontroller family 32K/1024 OTP CAN transport layer controller 1 UART, 1 SPI Port, CAN 2.0B, 32 CAN ID Filters, transport layer co-proce
中文描述： 的XA 16位微控制器系列32K/1024檢察官可以傳輸層控制器1的UART，1個(gè)SPI端口，CAN 2.0B總線，32可以讀取器，傳輸層合作proce
文件頁數(shù)： 15/68頁
文件大?。?/td> 368K
代理商： XA-C3
Philips Semiconductors
Preliminary specification
XA-C3
XA 16-bit microcontroller family
32K/1024 OTP CAN transport layer controller
1 UART, 1 SPI Port, CAN 2.0B, 32 CAN ID filters, transport layer co-processor
2000 Jan 25
8
MNEMONIC
NAME AND FUNCTION
TYPE
PIN NUMBERS
PLCC
16
17
18
19
10
LQFP
10
11
12
13
4
P3.4
P3.5
P3.6
P3.7
RST
/
I/O
I/O
O
O
I
T0: Timer 0 External count input or Timer 0 Overflow output.
T1 : Timer 1 External count input or Timer 1 Overflow output.
WRL
/
: External DATA memory Low Byte Write Strobe.
RD
/
: External DATA memory Read Strobe.
RESET
/
:
NOTE:
10.A low on this pin resets the XA–C3, causing I/O Ports and peripherals to take on
their default states, and the processor to begin execution at the Address contained in
the Reset Vector.
Refer to the Reset section for details.
Address Latch Enable ; Program Pulse
/
:
NOTES:
11. A high output on the ALE pin signals External circuitry to latch the address portion of
the multiplexed Address/DATA bus.
12.A pulse on ALE occurs only when needed to process an External bus cycle. During
EPROM programming, this pin is used as the Program pulse input.
Program Store Enable
/
:
This is the Read Strobe for External PROGRAM memory.
NOTES:
13.When the microcontroller accesses External PROGRAM memory, PSEN
/
is driven
low in order to enable memory devices.
14.PSEN
/
is only active when External code accesses are performed.
External Access
/
; WAIT ; Programming Supply Voltage:
NOTES:
15.The EA
/
input determines whether the internal PROGRAM memory of the XA–C3 is
used for code execution.
16.The EA
/
pin is latched as the (External) Reset input is released and its value applied
during later execution. When latched as a 0, External PROGRAM memory is used
exclusively. When latched as a 1, internal PROGRAM memory will be used up to its
limit, and External PROGRAM memory is used above that point.
17.After Reset is released, this pin takes on the function of a Bus WAIT input. If WAIT
is asserted High during any External bus access, that cycle will be extended until
WAIT is released.
18.During EPROM programming, this pin is also the programming supply voltage input.
CAN Receive Data input: CAN serial receiver input to the SJA1000 PeliCAN core.
CAN Transmit Data output: CAN serial transmitter output from the SJA1000 PeliCAN
core.
ALE ; PROG
/
33
27
I/O
PSEN
/
32
26
O
EA
/
; WAIT ;
V
PP
35
29
I
CAN RxD
CAN TxD
12
34
6
28
I
O
XTAL1
21
15
I
Crystal 1: Input to the inverting amplifier used in the oscillator circuit and input to the
internal clock generator circuits.
XTAL2
20
14
O
Crystal 2: Output from the oscillator amplifier.
NOTE:
1. All active–low signals are indicated by a “/” symbol.
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