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ZGATE Memory Layout UM024502-1012
44
ZGATE Embedded Security Development Kit
User Manual
ZGATE Memory Layout
ZGATE imposes the following restrictions on the memory layout of the system:
•
ZGATE requires exclusive access to the first 64 KB of eZ80F91 internal Flash
– Customer applications that use internal Flash must use a starting address of
0x010000
– eZ80F91 Internal Flash must be enabled and mapped to address 0x000000
•
ZGATE requires exclusive access to all 8 KB of eZ80F91 general-purpose RAM
– eZ80F91 EMAC RAM must be mapped to
0xFFC000
•
External Flash must be connected to CS0
– A ZTP application targeting a Flash or Copy to RAM build configuration must use
a start address of
0x100000
•
External RAM must be connected to CS1 (if the ZTP application targets a RAM
build)
– A ZTP application using a RAM build configuration must use a starting address of
0x040000
During system startup, ZGATE will look for ZTP applications to launch at specific
addresses in the memory map, and will proceed in the following sequence:
•
Look for an application at address 0x040000. If an application is found at this
address, ZGATE will start the ZTP application. If an application is not found, then:
•
Look for a ZTP application at address 0x010000. If an application is found at this
address, ZGATE will start the ZTP application. If an application is not found, then:
•
Look for a ZTP application at address 0x100000. If an application is found at this
address, ZGATE will start the ZTP application. If an application is not found, then:
•
Place the eZ80F91 into Sleep Mode using an eZ80 SLP instruction.
ZGATE applications should use the ZTGT files included in the ZGATE_Demo folder.
These target files have been created with the appropriate settings for the ZGATE Embed-
ded Security Development Kit. Similarly, the ZDS II
ZGATE_Demo_ZGATE000100ZCOG
.zdsproj
project file contains the appropriate memory settings for the ZGATE Embed-
ded Security Development Kit.
Table 3 defines the range of addresses used in eZ80F91 MCU memory for ZGATE.
- Embedded Security 1
- Development Kit 1
- UM024502-1012 2
- Revision History 3
- Safeguards 4
- Table of Contents 5
- List of Figures 9
- User Manual 10
- List of Tables 11
- The ZGATE Embedded Security 13
- Kit Contents 14
- Kit Features 15
- Supported Operating Systems 15
- Documentation 16
- Windows 7 32/64 Systems 17
- Windows Vista 32/64 Systems 17
- Windows XP Systems 18
- Board to your PC 20
- Figure 4. Debug Connector J1 22
- ZGATE Packet Filtering 35
- Stateful Packet Inspection 36
- Threshold-Based Filtering 37
- ZGATE Logging 38
- ZGATE Configuration 40
- Global Settings 42
- Static Filter Configuration 43
- Static Filtering Rules 44
- ZGATE Run-Time Configuration 45
- ZGATE Processing Overview 46
- Using the ZGATE Web Interface 47
- UM024502-1012 Statistics 49
- ZGATE Startup Settings Page 52
- ZGATE Logging Page 54
- ZGATE Memory Layout 56
- ZGATE Logging Page 57
- ZGATE Shell Command Reference 58
- Subcommands 59
- Examples 61
- ZGATE API Reference 66
- ZGATE_st_filter_eth 67
- ZGATE_initialize 68
- ZGATE_AddShellCmds 69
- ZGATE_WebInit 70
- ZGATE_get_received_stats 71
- ZGATE_get_blocked_stats 72
- ZGATE_eth_addr_filtering_type 75
- ZGATE_ip_prot_filtering_type 76
- ZGATE_ip_addr_filtering_type 77
- ZGATE_tcp_port_filtering_type 78
- ZGATE_udp_port_filtering_type 79
- ZGATE_th_filtering_on 80
- ZGATE_filtering_on 81
- ZGATE_set_th_interval 82
- ZGATE_set_th_HW 83
- ZGATE_set_th_LW 84
- ZGATE_add_tcp_port 85
- ZGATE_remove_tcp_port 86
- ZGATE_add_udp_port 87
- ZGATE_remove_udp_port 88
- ZGATE_add_eth_addr 89
- ZGATE_remove_eth_addr 90
- ZGATE_add_eth_frame 91
- ZGATE_remove_eth_frame 92
- ZGATE_add_ip_addr 93
- ZGATE_remove_ip_addr 94
- ZGATE_add_ip_prot 95
- ZGATE_remove_ip_prot 96
- ZGATE_get_list_size 97
- ZGATE_use_default_config 98
- Function Prototype 100
- Parameters 100
- Return Value 100
- Description 100
- ZGATE_enable_logging_to_file 102
- ZGATE_disable_logging_to_file 103
- ZGATE_set_max_logfile_size 104
- ZGATE_get_logging_config 106
- ZGATE_build_UDP_port_list 107
- ZGATE_build_TCP_port_list 108
- ZGATE_build_ip_addr_list 109
- ZGATE_build_ip_prot_list 110
- ZGATE_build_eth_addr_list 111
- ZGATE_build_eth_frame_list 112
- Development Board 115
- Power Sources 117
- Jumper Settings 118
- Zilog Developer Studio 119
- ZDS II Flash Loader Utility 119
- ZDS II Sample Projects 119
- Customer Support 127
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