Cypress CY3274, Manual

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54 CY3274 Cypress High Voltage Programmable PLC Development Kit Guide, Doc. # 001-53598 Rev. *G
Code Examples
4. To configure the PLT UM properties open the PLT Configuration Wizard and set the properties
shown in Figure 5-4 and Table 5-1 . Note that these properties can also be set in the application
code using the PLT memory array.
Figure 5-4. PLT Config Wizard
Table 5-1. PLT UM Configuration
No. Property Register Value Details
1 Baud Rate Modem_Config 2400 bps (default)
Sets the baud rate for the PLC
PHY
2 Tx Gain TX_Gain
1.55 V
p-p
(default)
Set to 1.55 V
p-p
. Set to
125 mV
p-p
(for CENELEC).
3 Rx Gain Rx_Gain 250 uVrms
Sets the minimum input
sensitivity for the receiver
4
No ACK Received
Interrupt
INT_Enable Enable
Enable Interrupt for no
acknowledgment received after
if Service Type = 1 (ACK Mode)
5
No Response Received
Interrupt
INT_Enable Enable
Enable Interrupt for No
Response Received
6
Rx Packet Dropped
Interrupt
INT_Enable Enable
Enable Interrupt when RX
Packet is dropped because RX
Buffer is full
7
Rx Data Available
Interrupt
INT_Enable Enable
Enable Interrupt when RX
buffer has new data
8 Tx Data Sent Interrupt INT_Enable Enable
Enable Interrupt when TX data
is sent successfully
9 Transmit Enable PLC_Mode Enable Enables Transmit Mode