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SN260 数据表(PDF) 35 Page - STMicroelectronics |
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SN260 数据表(HTML) 35 Page - STMicroelectronics |
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35 / 88 page  SN260 EmberZNet serial protocol 35/88 additional RAM required must be made available by reducing one of the other configuration values. Table 17. Configuration values Value Min. Def. Max. Units RAM Cost Description EZSP_CONFIG_PACKET_BUFFER_ COUNT 524 packet buffers 40 The number of packet buffers available to the stack. EZSP_CONFIG_NEIGHBOR_TABLE_ SIZE 8 16 16 neighbors 18 The maximum number of router neighbors the stack can keep track of. A neighbor is a node within radio range. EZSP_CONFIG_TRANSPORT_ PACKET_COUNT 0 10 messages 10 The maximum number of datagram and sequenced messages the stack can have in the process of being either transmitted or received at any given time. EZSP_CONFIG_BINDING_ TABLE_SIZE (A) 08 32 + (B) entries 3 The maximum number of bindings supported by the stack. It includes the bindings in EEPROM and in RAM. EZSP_CONFIG_TEMPORARY_ BINDING_ENTRIES (B) 0 8 (A) entries 12 The number of binding table entries in RAM. EZSP_CONFIG_TRANSPORT_ CONNECTION_COUNT 00 entries 12 The number of binding table entries that can concurrently support an open sequenced connection. EZSP_CONFIG_ROUTE_ TABLE_SIZE (C) 016 entries 6 The maximum number of destinations to which a node can route messages. This include both messages originating at this node and those relayed for others. EZSP_CONFIG_DISCOVERY_ TABLE_SIZE 08 entries 10 The number of simultaneous route discoveries that a node will support. EZSP_CONFIG_DISCOVERY_ CACHE_ENDPOINTS (D) 0 4 endpoints 0 End-device child endpoints larger than this value will not have their discovery information cached by their router parent. EZSP_CONFIG_DISCOVERY_ CACHE_ENTRY_SIZE 11 + (D) 15 15 bytes 0 The size of an entry in the end device discovery cache on a router. Endpoint descriptions longer than this will not be cached. EZSP_CONFIG_DISCOVERY_ CACHE_SIZE 035 35 entries 0 The number of entries in the discovery cache on a router. Each end device child requires 1 + (D) entries. The cache is held in EEPROM. EZSP_CONFIG_STACK_PROFILE 0 0 0 Specifies the stack profile. EZSP_CONFIG_SECURITY_LEVEL 05 5 0 The security level used for security at the MAC and network layers. The supported values are 0 (no security) and 5 (payload is encrypted and a four-byte MIC is used for authentication). EZSP_CONFIG_MAX_HOPS 0 10 hops 0 The maximum number of hops for a message. EZSP_CONFIG_MAX_END_DEVICE_ CHILDREN (E) 0 6 32 children 4 The maximum number of end device children that a router will support. EZSP_CONFIG_INDIRECT_ TRANSMISSION_TIMEOUT 0 3000 30000 milli- seconds 0 The maximum amount of time that the MAC will hold a message for indirect transmission to a child. |
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