ZHCAC41 February 2023 TMS320F280025C
#GUID-84E4984C-B845-405E-92BD-B6F335FA2F04 展示了接收逻辑块的逻辑。
以下 CLB 逻辑块资源用于实施 CCSI 总线接收 (RX) 功能:
FSM0 定义了 RX 逻辑块的两种运行状态。#GUID-7B6E728C-9904-4313-B56B-A0F7C91CE59C 和表 4-4 显示了 FSM0 状态图和真值表。
S0 | E1 (LUT0_OUT) | E0 (C0_MATCH1) | S0 次态 | 输出 (FSM0_OUTPUT) |
---|---|---|---|---|
0 | 0 | 0 | 0 | 0 |
0 | 0 | 1 | 0 | 0 |
0 | 1 | 0 | 1 | 0 |
0 | 1 | 1 | 1 | 0 |
1 | 0 | 0 | 1 | 1 |
1 | 0 | 1 | 0 | 1 |
1 | 1 | 0 | 1 | 1 |
1 | 1 | 1 | 0 | 1 |
完整的逻辑方程为:
FSM1 用于在接收到四个 16 位字后触发 HLC 事件。#GUID-361D0B5E-EEB4-4698-ADBD-3ED2521BBF14 和表 4-5 显示了 FSM1 状态图和真值表。
S1 | S0 | E1 (FSM0_OUT) | E0 (C2_MATCH2) | S1 次态 | S0 次态 | 输出 (HLC_INT) |
---|---|---|---|---|---|---|
0 | 0 | 0 | 0 | 0 | 0 | 0 |
0 | 0 | 0 | 1 | 0 | 0 | 0 |
0 | 0 | 1 | 0 | 0 | 0 | 0 |
0 | 0 | 1 | 1 | 0 | 1 | 0 |
0 | 1 | 0 | 0 | 0 | 0 | 0 |
0 | 1 | 0 | 1 | 0 | 0 | 0 |
0 | 1 | 1 | 0 | 0 | 1 | 0 |
0 | 1 | 1 | 1 | 1 | 0 | 0 |
1 | 0 | 0 | 0 | 0 | 0 | 0 |
1 | 0 | 0 | 1 | 0 | 0 | 0 |
1 | 0 | 1 | 0 | 1 | 0 | 0 |
1 | 0 | 1 | 1 | 1 | 1 | 0 |
1 | 1 | 0 | 0 | 0 | 0 | 0 |
1 | 1 | 0 | 1 | 0 | 0 | 0 |
1 | 1 | 1 | 0 | 1 | 1 | 0 |
1 | 1 | 1 | 1 | 0 | 0 | 1 |
逻辑方程是: