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参数资料
| 型号： | SPL11A |
| 厂商： | Electronic Theatre Controls, Inc. |
| 英文描述： | SPL11A PROGRAMMING GUIDE |
| 中文描述： | SPL11A节目指南 |
| 文件页数： | 10/42页 |
| 文件大小： | 1865K |
| 代理商： | SPL11A |
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SPL11A PROGRAMMING GUIDE
PRELIMINARY
3.2
Memory location
LCD RAM is a dual-port SRAM, from $50 to $7F
$0080 ~ $00FF is CPU SRAM; $01E0 ~ $01FF maps to $E0 ~ $FF for the use of stack (maximum
stack is 32 bytes).
**
The top stacker pointer must be placed in the range of $01E0~$01FF.
8K-byte ROM/EPROM address is from $E000 ~ $FFFF
512-byte test program ROM ($400 ~ $5FF), for Sunplus use only.
$FFF9 bit7 is for OTP security if this bit set “1” (data is not readable).
3.3
Vector
Test program interrupt vector: $5FA~$5FF (Sunplus use only).
User program interrupt vector: $FFFA~$FFFF.
3.4
Error-address area
Unavailable address range: $0020 ~ $004F, $0100 ~ $01DF, $0200 ~ $03FF, $0600 ~ $DFFF, and
$0400 ~ $05FF. Accessing these addresses will cause the entire system to be reset and the b3
(error-address flag) in P_12H_RST_FG ($0012) will be set to “1”.
3.5
Example
$FFFA must be added to the following interrupt vectors:
DW
NMI
DW
RESET
DW
IRQ
Initial stack pointer:
LDX
#FFH
TXS
…………..
Sunplus Technology Co., Ltd.
PAGE 10
V0.1 – OCT. 23, 2002
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