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| 型號(hào)： | TS80C31X2-VCED |
| 廠商： | TEMIC SEMICONDUCTORS |
| 英文描述： | 603R REV2.1 HIP3.0 ROHS |
| 中文描述： | 8位CMOS微控制器0-60兆赫 |
| 文件頁(yè)數(shù)： | 5/40頁(yè) |
| 文件大小： | 484K |
| 代理商： | TS80C31X2-VCED |
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Rev. A - Mar. 19, 1999
5
Preliminary
TS80C31X2
Table 2. Pin Description for 40/44 pin packages
PIN NUMBER
TYPE
DIL
LCC
VQFP 1.4
Ground:
0V reference
1
39
I
Optional Ground:
Contact the Sales Office for ground connection.
Power Supply:
This is the power supply voltage for normal, idle and power-
down operation
39-32
43-36
37-30
I/O
Port 0
: Port 0 is an open-drain, bidirectional I/O port. Port 0 pins that have 1s
written to them float and can be used as high impedance inputs. Port 0 is also
the multiplexed low-order address and data bus during access to external program
and data memory. In this application, it uses strong internal pull-up when emitting
1s.
1-8
2-9
40-44
1-3
pins that have 1s written to them are pulled high by the internal pull-ups and
can be used as inputs. As inputs, Port 1 pins that are externally pulled low will
source current because of the internal pull-ups.
21-28
24-31
18-25
I/O
Port 2
: Port 2 is an 8-bit bidirectional I/O port with internal pull-ups. Port 2
pins that have 1s written to them are pulled high by the internal pull-ups and
can be used as inputs. As inputs, Port 2 pins that are externally pulled low will
source current because of the internal pull-ups. Port 2 emits the high-order address
byte during fetches from external program memory and during accesses to external
data memory that use 16-bit addresses (MOVX @DPTR).In this application, it
uses strong internal pull-ups emitting 1s. During accesses to external data memory
that use 8-bit addresses (MOVX @Ri), port 2 emits the contents of the P2 SFR.
10-17
11,
13-19
7-13
pins that have 1s written to them are pulled high by the internal pull-ups and
can be used as inputs. As inputs, Port 3 pins that are externally pulled low will
source current because of the internal pull-ups. Port 3 also serves the special
features of the 80C51 family, as listed below.
10
11
5
I
RXD (P3.0):
Serial input port
11
13
7
O
TXD (P3.1):
Serial output port
12
14
8
I
INT0 (P3.2):
External interrupt 0
13
15
9
I
INT1 (P3.3):
External interrupt 1
14
16
10
I
T0 (P3.4):
Timer 0 external input
15
17
11
I
T1 (P3.5):
Timer 1 external input
16
18
12
O
WR (P3.6):
External data memory write strobe
17
19
13
O
RD (P3.7):
External data memory read strobe
9
10
4
I
Reset:
A high on this pin for two machine cycles while the oscillator is running,
resets the device. An internal diffused resistor to V
SS
permits a power-on reset
using only an external capacitor to V
CC.
30
33
27
O (I)
Address Latch Enable:
Output pulse for latching the low byte of the address
during an access to external memory. In normal operation, ALE is emitted at a
constant rate of 1/6 (1/3 in X2 mode) the oscillator frequency, and can be used
for external timing or clocking. Note that one ALE pulse is skipped during each
access to external data memory.
29
32
26
O
Program Store ENable:
The read strobe to external program memory. When
executing code from the external program memory, PSEN is activated twice each
machine cycle, except that two PSEN activations are skipped during each access
to external data memory. PSEN is not activated during fetches from internal
program memory.
31
35
29
I
External Access Enable:
EA must be externally held low to enable the device
to fetch code from external program memory locations.
19
21
15
I
Crystal 1:
Input to the inverting oscillator amplifier and input to the internal
clock generator circuits.
18
20
14
O
Crystal 2:
Output from the inverting oscillator amplifier
MNEMONIC
NAME AND FUNCTION
V
SS
Vss1
20
22
16
I
V
CC
40
44
38
I
P0.0-P0.7
P1.0-P1.7
I/O
Port 1:
Port 1 is an 8-bit bidirectional I/O port with internal pull-ups. Port 1
P2.0-P2.7
P3.0-P3.7
5,
I/O
Port 3:
Port 3 is an 8-bit bidirectional I/O port with internal pull-ups. Port 3
Reset
ALE
PSEN
EA
XTAL1
XTAL2
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TS80C31X2-VCER | 制造商:ATMEL 制造商全稱(chēng):ATMEL Corporation 功能描述:8-bit CMOS Microcontroller ROMless |
| TS80C31X2-VIA | 功能描述:IC MCU 8BIT 40/30MHZ 40-DIP RoHS:否 類(lèi)別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:80C 標(biāo)準(zhǔn)包裝:9 系列:87C 核心處理器:8051 芯體尺寸:8-位 速度:40/20MHz 連通性:UART/USART 外圍設(shè)備:POR，WDT 輸入/輸出數(shù):32 程序存儲(chǔ)器容量:32KB（32K x 8） 程序存儲(chǔ)器類(lèi)型:OTP EEPROM 大小:- RAM 容量:256 x 8 電壓 - 電源 (Vcc/Vdd):4.5 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:- 振蕩器型:內(nèi)部 工作溫度:0°C ~ 70°C 封裝/外殼:40-DIP（0.600"，15.24mm） 包裝:管件 |
| TS80C31X2-VIAB | 制造商:TEMIC 制造商全稱(chēng):TEMIC Semiconductors 功能描述:8-bit CMOS Microcontroller 0-60 MHz |
| TS80C31X2-VIAD | 制造商:TEMIC 制造商全稱(chēng):TEMIC Semiconductors 功能描述:8-bit CMOS Microcontroller 0-60 MHz |
| TS80C31X2-VIAR | 制造商:TEMIC 制造商全稱(chēng):TEMIC Semiconductors 功能描述:8-bit CMOS Microcontroller 0-60 MHz |
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