参数资料
型号: SAK-C505A-4R
厂商: INFINEON TECHNOLOGIES AG
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 20 MHz, MICROCONTROLLER, PQFP44
封装: METRIC, PLASTIC, QFP-44
文件页数: 2/88页
文件大小: 1224K
代理商: SAK-C505A-4R
C505/C505C/C505A/C505CA
Data Sheet
6
12.00
Table 2
Pin Definitions and Functions
Symbol
Pin Number
I/O
*)
Function
P1.0-P1.7
40-44,1-3
40
41
42
43
44
1
2
3
I/O
Port 1
is an 8-bit quasi-bidirectional port with internal pull-up
arrangement. Port 1 pins can be used for digital input/output
or as analog inputs of the A/D converter. Port 1 pins that
have 1’s written to them are pulled high by internal pull-up
transistors and in that state can be used as inputs. As
inputs, port 1 pins being externally pulled low will source
current (IIL, in the DC characteristics) because of the
internal pullup transistors. Port 1 pins are assigned to be
used as analog inputs via the register P1ANA.
As secondary digital functions, port 1 contains the interrupt,
timer, clock, capture and compare pins. The output latch
co rr espo ndi ng to a seco nda ry f unct i on must b e
programmed to a one (1) for that function to operate (except
for compare functions). The secondary functions are
assigned to the pins of port 1 as follows:
P1.0 / AN0 / INT3 / CC0
Analog input channel 0
interrupt 3 input /
capture/compare channel 0 I/O
P1.1 / AN1 / INT4 / CC1
Analog input channel 1/
interrupt 4 input /
capture/compare channel 1 I/O
P1.2 / AN2 / INT5 / CC2
Analog input channel 2 /
interrupt 5 input /
capture/compare channel 2 I/O
P1.3 / AN3 / INT6 / CC3
Analog input channel 3
interrupt 6 input /
capture/compare channel 3 I/O
P1.4 / AN4
Analog input channel 4
P1.5 / AN5 / T2EX
Analog input channel 5 / Timer 2
external reload / trigger input
P1.6 / AN6 / CLKOUT
Analog input channel 6 /
system clock output
P1.7 / AN7 / T2
Analog input channel 7 /
counter 2 input
Port 1 is used for the low-order address byte during program
verification of the C505 ROM versions (i.e. C505(C)(A)-2R/
C505A-4R/C505CA-4R).
*) I = Input
O= Output
相关PDF资料
PDF描述
SAB-C505A-4E 8-BIT, OTPROM, 20 MHz, MICROCONTROLLER, PQFP44
SAB-C505A-L 8-BIT, 20 MHz, MICROCONTROLLER, PQFP44
SAF-C505A-4R 8-BIT, MROM, 20 MHz, MICROCONTROLLER, PQFP44
SAB-C505-L 8-BIT, 20 MHz, MICROCONTROLLER, PQFP44
SAF-C505C-2R 8-BIT, MROM, 20 MHz, MICROCONTROLLER, PQFP44
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