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參數(shù)資料
| 型號： | SE370C712BJDT |
| 元件分類： | 8位微控制器 |
| 英文描述： | 8-BIT MICROCONTROLLER |
| 中文描述： | 8位微控制器 |
| 文件頁數(shù)： | 8/48頁 |
| 文件大?。?/td> | 711K |
| 代理商： | SE370C712BJDT |
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TMS370Cx36
8-BIT MICROCONTROLLER
SPNS039B – JANUARY 1996 – REVISED FEBRUARY 1997
8
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
central processing unit (CPU) (continued)
256-Byte RAM
Reserved
Peripheral File
Reserved
128-Byte PACT Dual-Port RAM
7FC0h–7FDFh
PACT Interrupt 1-18
7FEEh–7FF5h
Reserved
7FECh–7FEDh
Interrupt 1
Reset
1020h–102Fh
Digital Port Control
Vectors
ADC1
Reserved
Serial Peripheral Interface
Reserved
7FFCh–7FFDh
7FFEh–7FFFh
0000h
0100h
017Fh
00FFh
0200h
02FFh
0300h
0FFFh
1000h
10BFh
10C0h
1EFFh
1F00h
1FFFh
2000h
3FFFh
4000h
7F9Bh
7F9Ch
FFFFh
Reserved means that the address space is reserved for future expansion.
01FFh
Interrupts and Reset Vectors;
Trap and PACT Vectors
7FFFh
8000h
7FF6h–7FF7h
7FF8h–7FFBh
Peripheral File Control Registers
0180h
1010h–101Fh
1050h–105Fh
System Control
1030h–103Fh
1040h–104Fh
ADC1 Peripheral Control
Trap 15–0
Reserved
256-Byte PACT Standby RAM
Reserved
256-Byte Data EEPROM
Reserved
16K-Byte ROM/EPROM
7F9Ch–7FBFh
7FE0h–7FEBh
1000h–100Fh
1060h–106Fh
1070h–107Fh
Reserved
SPI Peripheral Control
PACT Peripheral Control
Reserved
Reserved
Figure 3. TMS370Cx36 Memory Map
RAM/register file (RF)
Locations within the RAM address space can serve as the RF, general-purpose read/write memory, program
memory, or the stack instructions. The TMS370Cx36 devices contain 256 bytes of internal RAM,
memory-mapped beginning at location 0000h (R0) and continuing through location 00FFh (R255) which is
shown in Figure 1.
The first two registers, R0 and R1, are also called register A and B, respectively. Some instructions implicitly
use register A or B; for example, the instruction LDSP (load SP) assumes that the value to be loaded into the
stack pointer is contained in register B. Registers A and B are the only registers cleared on reset.
dual-port RAM
The upper 128 bytes of the register files can be used by the PACT module to contain commands and definitions
as well as timer values. Any RAM not used by PACT can be used as an additional CPU register or as
general-purpose memory.
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