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參數(shù)資料
| 型號： | uPSD3234AV-40U6T |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Flash Programmable System Devices with 8032 Microcontroller Core |
| 中文描述： | 閃存可編程系統(tǒng)設(shè)備與8032微控制器內(nèi)核 |
| 文件頁數(shù)： | 42/170頁 |
| 文件大?。?/td> | 2717K |
| 代理商： | UPSD3234AV-40U6T |
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uPSD3234A, uPSD3234BV, uPSD3233B, uPSD3233BV
42/170
I/O PORTS (MCU MODULE)
The MCU Module has five ports: Port 0, Port 1,
Port 2, Port 3, and Port 4. (Refer to the PSD Mod-
ule section on I/O ports A,B,C and D). Ports P0
and P2 are dedicated for the external address and
data bus and is not available in the 52-pin package
devices.
Port 1 - Port 3 are the same as in the standard
8032 micro-controllers, with the exception of the
additional special peripheral functions. All ports
are bi-directional. Pins of which the alternative
function is not used may be used as normal bi-di-
rectional I/O.
The use of Port 1- Port 4 pins as alternative func-
tions are carried out automatically by the
uPSD323X Devices provided the associated SFR
Bit is set HIGH.
The following SFR registers (Tables
29
,
30
, and
31
) are used to control the mapping of alternate
functions onto the I/O port bits. Port 1 alternate
functions are controlled using the P1SFS register,
except for Timer 2 and the 2nd UART which are
enabled by their configuration registers. P1.0 to
P1.3 are default to GPIO after reset.
Port 3 pins 6 and 7 have been modified from the
standard 8032. These pins that were used for
READ and WRITE control signals are now GPIO
or I
2
C bus pins. The READ and WRITE pins are
assigned to dedicated pins.
Port 3 (I
2
C) and Port 4 alternate functions are con-
trolled using the P3SFS and P4SFS Special Func-
tion Selection registers. After a reset, the I/O pins
default to GPIO. The alternate function is enabled
if the corresponding bit in the PXSFS register is
set to '1.' Other Port 3 alternative functions (UART,
Interrupt, and Timer/Counter) are enabled by their
configuration register and do not require setting of
the bits in P3SFS.
Table 28. I/O Port Functions
Table 29. P1SFS (91H)
Table 30. P3SFS (93H)
Table 31. P4SFS (94H)
Port Name
Main Function
Alternate
Port 1
GPIO
Timer 2 - Bits 0,1
2nd UART - Bits 2,3
ADC - Bits 4..7
Port 3
GPIO
UART - Bits 0,1
Interrupt - Bits 2,3
Timers - Bits 4,5
I
2
C - Bits 6,7
Port 4
GPIO
DDC - Bits 0..2
PWM - Bits 3..7
USB +/-
USB +/- Only
7
6
5
4
3
2
1
0
0=Port 1.7
1=ACH3
0=Port 1.6
1=ACH2
0=Port 1.5
1=ACH1
0=Port 1.4
1=ACH0
Bits Reserved
Bits Reserved
7
6
5
4
3
2
1
0
0 = Port 3.7
1 = SCL
from I
2
C unit
0 = Port 3.6
1 = SDA
from I
2
C unit
Bits are reserved.
7
6
5
4
3
2
1
0
0=Port 4.7
1=PWM 4
0=Port 4.6
1=PWM 3
0=Port 4.5
1=PWM 2
0=Port 4.4
1=PWM 1
0=Port 4.3
1=PWM 0
0=Port 4.2
1=V
SYNC
0=Port 4.1
1=DDC -
SCL
0=Port 4.0
1=DDC -
SDA
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| uPSD3234B-24T1T | Flash Programmable System Devices with 8032 Microcontroller Core |
| uPSD3234B-24T6T | Flash Programmable System Devices with 8032 Microcontroller Core |
| uPSD3234B-24U1T | Flash Programmable System Devices with 8032 Microcontroller Core |
| uPSD3234B-24U6T | Flash Programmable System Devices with 8032 Microcontroller Core |
| uPSD3234B-40T1T | Flash Programmable System Devices with 8032 Microcontroller Core |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| UPSD3234B-24T1 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash Programmable System Device with 8032 Microcontroller Core |
| UPSD3234B-24T1T | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash Programmable System Devices with 8032 Microcontroller Core |
| UPSD3234B-24T6 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash Programmable System Device with 8032 Microcontroller Core |
| UPSD3234B-24T6T | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash Programmable System Devices with 8032 Microcontroller Core |
| UPSD3234B-24U1 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash Programmable System Device with 8032 Microcontroller Core |
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