参数资料
型号: ST92E141K4D1
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 16-BIT, UVPROM, 25 MHz, MICROCONTROLLER, CDIP32
封装: WINDOWED, SHRINK, CERAMIC, DIP-32
文件页数: 24/178页
文件大小: 1097K
代理商: ST92E141K4D1
12/178
ST92141 - GENERAL DESCRIPTION
Table 4. ST92141 Alternate functions
How to configure the I/O ports
To configure the I/O ports, use the information in
Table 3 and Table 4 and the Port Bit Configuration
Table in the I/O Ports Chapter on page 81.
I/O note = The hardware characteristics fixed for
each port line in Table 3.
All I/O inputs have Schmitt trigger fixed by hard-
ware so selecting CMOS or TTL input by software
has no effect, the input will always be Schmitt Trig-
ger. In particular, the Schmitt Triggers present on
the P5[7:2] pins have a standard hysteresis
whereas the remaining pins have Schmitt Triggers
with High Hysteresis (refer to Electrical Specifica-
tions).
Alternate Functions (AF) = More than one AF
cannot be assigned to an external pin at the same
time:
Port
Name
General
Purpose I/O
Pin No.
Alternate Functi ons
SDIP32 PSO34
P3.0
All ports useable
for general pur-
pose I/O (input,
output or bidi-
rectional)
2
MOSI
I/O SPI Master Output/Slave Input Data
P3.1
3
MISO
I/O SPI Master Input/Slave Output Data
P3.2
4
WKUP3
I
Wake-up line 3
STIN
I
Standard Timer Input
SCK
I/O SPI Serial Clock Input/Output
P3.3
5
SSN
I
SPI Slave Select
STOUT
O
Standard Timer Output
P3.4
6
EXTRG
I
A/D External trigger
OCPM2
O
Ext. Timer Output Compare 2
P3.5
7
INT6
I
External Interrupt 6
OCMP1
O
Ext. Timer - Output Compare 1
P3.6
8
ICAP1
I
Ext. Timer - Input Capture 1
WKUP2
I
Wake-up line 2
P5.0
23
24
ICAP2
I
Ext. Timer - Input Capture 2
WKUP1
I
Wake-up line 1
P5.1
22
23
NMI
I
Not maskable Int.
WKUP0
I
Wake-up line 0
P5.2
16
17
AIN2
I
Analog Data Input 2
INT0
I
External Interrupt 0
WDIN
I
Watchdog input
P5.3
15
16
AIN3
I
Analog Data Input 3
EXTCLK
I
Ext. Timer - Input Clock
WDOUT
O
Watchdog Output
P5.4
14
15
AIN4
I
Analog Data Input 4
P5.5
13
14
AIN5
I
Analog Data Input 5
P5.6
12
13
AIN6
I
Analog Data Input 6
CK_AF
I
Clock Alternative Source
P5.7
11
12
AIN7
I
Analog Data Input 7
INTCLK
O
Internal Main Clock
9
相关PDF资料
PDF描述
ST92F120JV1T 16-BIT, FLASH, 24 MHz, MICROCONTROLLER, PQFP64
ST92F120V6T 16-BIT, FLASH, 24 MHz, MICROCONTROLLER, PQFP64
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