参数资料
型号: 20-151-0178
厂商: Rabbit Semiconductor
文件页数: 39/162页
文件大小: 0K
描述: CABLE CONVERTER RS-232 TO USB
标准包装: 1
附件类型: USB 至 RS232 适配器
适用于相关产品: 基于 Rabbit 的板
产品目录页面: 619 (CN2011-ZH PDF)
其它名称: 20-151-0178-ND
316-1181
4.3.6.2 Keypad Outputs
The RabbitFLEX Configurator will automatically assign pins from connector J5 as the keypad inputs and
outputs. Keypad inputs and outputs are digital I/O circuits. See sample program
Samples/RabbitFLEX_BL300F/keypad.c for an example of how to use the keypad API func-
tions. (The “RabbitFLEX_BL300F” folder was formerly named “RabbitFLEX_SBC40.”)
Figure 4-10 Keypad Driver Circuit Schematic
Digital Interface
Cell
R1
4.7 k W
Q1A
R3A
47 W
I/O
Pin
VERSION 6.02
Keypad Driver
Power On/Reset State: Off, High impedance
Table 4-6. Keypad Driver Characteristics
Symbol
Parameter
Note
Min
Typical
Max
Unit
DC
V S
Supply Voltage
0
5
V
V OL
I OL
I L
Low Level Output Voltage
Low Level Output Current
Leakage Current
10
0.8
10
V
mA
uA
I QH
I QL
High Level Quiescent Current
Low Level Quiescent Current
1
1
1
1
uA
mA
AC
t O1
t O0
Output Time Delay to 1
Output Time Delay to 0
2
3
1
72
uS
nS
v1.02
Note 1: From PowerCore Supply5
cell v6.02
Note 2: Delay from a cell input voltage change from logical 1 to 0 to see V OH at the output pin with 10K pullup
Note 3: Delay from a cell input voltage change from logical 0 to 1 to see V OL at the output pin at I OL
RabbitFLEX User’s Manual
33
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