APPLICATION NOTE #109 CT2577 Remote Terminal (RT) Memory Poi
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CIRCUIT TECHNOLOGY
APPLICATION NOTE #109
CT2577 Remote Terminal (RT) Memory
Point Contact: John Vanchieri Tel: (516) 752-2484
APPLICATION NOTE #109
Released 11/99
CT2577/79 Remote Terminal (RT) Memory
'User' Locations Read/Write (Locations C00h above available tested) BCST bit) bit) Subaddress (Hex, bits) Word Count (Hex, bits) Composite Address 16-bit mode (Hex, bytes) Composite Address 8-bit mode (Hex) Lower Byte Upper Byte Address FUNCTION Resets Status Bits Received COMMAND Word (FIFO Stack) Sets STATUS Word Flags Described below under RT-STATUS WORD control) Status Bits WRITES Addresses 001h-00Fh plus Control status Follows:
0000
0002
Byte Bits (high byte don't care) SELF TEST modes (ST) (Selected WRITEs 406h through 408h) Block Transfer Logic (BTL) Control (Selected WRITEs 402h through 405h) STATUS Word Bits (Selected WRITEs 001h through 00Fh) Byte Function On-Line Enabled Off-Line Enabled Read Enabled (RX) Write Enabled (TX) BUSY
APPLICATION NOTE #109
Released 11/99
STATUS WORD Control
0002 0004 0006 0008 000A 000C 000E 0010 0012 0014 0016 0018 001A 001C 001E SSFLAG SSFLAG BUSY BUSY BUSY SSFLAG BUSY SSFLAG SERVREQ SERVREQ SERVREQ SSFLAG SERVREQ SSFLAG SERVREQ BUSY SERVREQ BUSY SERVREQ BUSY SSFLAG SERVREQ BUSY SSFLAG
Mode Area
0020 0022 0024 003E User SYNC WORD User User
THROUGH
APPLICATION NOTE #109
Released 11/99
Receive Subaddresses 01-1E (1-30) (R/W)
0040 0048 007E 0080 00C0 0100 0140 0180 01C0 0200 0240 0280 02C0 0300 0340 0380 03C0 0400 0440 0480 04C0 0500 0540 0580 05C0 0600 0640 0680 06C0 0700 0740 0780 Last Word (Word Word Word
SA10 SA11 SA12 SA13 SA14 SA15 SA16 SA17 SA18 SA19 SA20 SA21 SA22 SA23 SA24 SA25 SA26 SA27 SA28 SA29 SA30
APPLICATION NOTE #109
Released 11/99
Mode Area (31)
THROUGH 07C0 07E0 07E2 07E4 07FE User User SYNC WORD User User
THROUGH
Control Area
0800 0802 SELECT OPERATION SELECT OPERATION
Self Test Control
0804 0806 0808 080A 080C 080E 0810 0812 081E Burst Burst Burst Burst Burst Burst Burst Burst OFF- LINE Self Test ON-LINE Self Test DISABLE Self Test User User
THROUGH
Mode Area
0820 0822 0824 0826 0828 083E VECTOR WORD User LAST COMMAND WORD User User
THROUGH
APPLICATION NOTE #109
Released 11/99
Transmit Subaddresses 01-1E (1-30) (R/W)
0840 0848 087E 0880 08C0 0900 0940 0980 09C0 0A00 0A40 0A80 0AC0 0B00 0B40 0B80 0BC0 0C00 0C40 0C80 0CC0 0D00 0040 0D80 0DC0 0E00 0E40 0E80 0EC0 0F00 0F40 0F80 Last Word (Word Word Word SA10 SA11 SA12 SA13 SA14 SA15 SA16 SA17 SA18 SA19 SA20 SA21 SA22 SA23 SA24 SA25 SA26 SA27 SA28 SA29 SA30
APPLICATION NOTE #109
Released 11/99
Mode Area (31)
THROUGH 0FC0 0FDE 0FE0 0FE2 0FE4 0FE6 0FE8 0FFE 1000 101E User User VECTOR WORD User User WORD User User Same 000h through address 00Fh (AD11 don't care)
THROUGH THROUGH
Broadcast Mode Area
1020 1022 1024 102E 1030 1032 103E User SYNC WORD User User User User User
THROUGH
THROUGH
APPLICATION NOTE #109
Released 11/99
Broadcast Receive Subaddresses 01-1E (1-30) (R/W)
1040 1048 107E 1080 10C0 1100 1140 1180 11C0 1200 1240 1280 12C0 1300 1340 1380 13C0 1400 1440 1480 14C0 1500 1540 1580 15C0 1600 1640 1680 16C0 1700 1740 1780 Last Word (Word Word Word SA10 SA11 SA12 SA13 SA14 SA15 SA16 SA17 SA18 SA19 SA20 SA21 SA22 SA23 SA24 SA25 SA26 SA27 SA28 SA29 SA30
APPLICATION NOTE #109
Released 11/99
Broadcast Mode Area (31)
THROUGH 17C0 17E0 17E2 17E4 17FE User User SYNC WORD User User
THROUGH
Redundant Decodes (AD11 Additional `User' Locations
(Address Locations C00h higher available functionally tested) 1800 1802 User User
Self Test Control
1804 1806 1808 180A 180C 180E 1810 1812 1824 1826 1828 1FE4 1FE6 1FE8 1FFE Burst Burst Burst Burst Burst Burst Burst Burst OFF- LINE Self Test ON-LINE Self Test DISABLE Self Test User User WORD (R/W) User User WORD (R/W) User User
THROUGH
THROUGH
THROUGH
APPLICATION NOTE #109
Released 11/99
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