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参数资料
| 型号： | ST52E430B/D |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, UVPROM, 20 MHz, MICROCONTROLLER, CDIP32 |
| 封装： | WINDOWED, SHRINK, CERAMIC, DIP-32 |
| 文件页数： | 26/120页 |
| 文件大小： | 502K |
| 代理商： | ST52E430B/D |
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ST52T430/E430
The STACK is located in the RAM. For each level of
stack 2 bytes of the RAM are used. The values of
this stack are stored from the last RAM register
(address 255). The maximum level of stack must
be less than 128.
The STACK POINTER indicates the first level
available to store data. When a subroutine call or
interrupt request occurs, the content of the PC and
the current set of flag are stored into the level
located by the STACK POINTER. When a
subroutine or interrupt return occurs (RET or RETI
instructions), the data stored in the highest stac
These operating modes are described in the
Figure 2.6.
Note: User must take care to avoid the overwriting
of the RAM locations, where the STACK could be
stored .
2.2.2 Input Registers Bench
The Input Registers (IR) bench consists of 20 8-bit
registers containing data or status of the
peripherals.
All the registers can be specified by using a
decimal address, e.g. 0 identifies the first register
of the IR.
The assembler instruction:
LDRI RAM_Reg. IR_i
IR MNEMONIC NAME
PERIPHERAL REGISTER
ADDRESS
STACK_POINTER
STACK POINTER
0
CHAN 0
A/D CHANNEL 0
1
CHAN 1
A/D CHANNEL 1
2
CHAN 2
A/D CHANNEL 2
3
CHAN 3
A/D CHANNEL 3
4
CHAN 4
A/D CHANNEL 4
5
CHAN 5
A/D CHANNEL 5
6
CHAN 6
A/D CHANNEL 6
7
CHAN 7
A/D CHANNEL 7
8
PORT_A
PORT A INPUT REGISTER
9
PORT_B
PORT B INPUT REGISTER
10
PORT_C
PORT C INPUT REGISTER
11
PWM_0_COUNT
PWM/TIMER 0 COUNTER
12
PWM_0_STATUS
PWM/TIMER 0 STATUS REGISTER
13
PWM_1_COUNT
PWM/TIMER 1 COUNTER
14
PWM_1_STATUS
PWM/TIMER 1 STATUS REGISTER
15
PWM_2_COUNT
PWM/TIMER 2 COUNTER
16
PWM_2_STATUS
PWM/TIMER 2 STATUS REGISTER
17
SCI_RX
SCI DATA REGISTER
18
SCI_STATUS
SCI STATUS REGISTER
19
Table 2.2 Input Registers
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相关代理商/技术参数 |
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| ST52E430K1B6 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-BIT INTELLIGENT CONTROLLER UNIT ICU Three Timer/PWMs, ADC, SCI |
| ST52E430K1M6 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-BIT INTELLIGENT CONTROLLER UNIT ICU Three Timer/PWMs, ADC, SCI |
| ST52E430K1T6 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-BIT INTELLIGENT CONTROLLER UNIT ICU Three Timer/PWMs, ADC, SCI |
| ST52E430K2B6 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-BIT INTELLIGENT CONTROLLER UNIT ICU Three Timer/PWMs, ADC, SCI |
| ST52E430K2M6 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-BIT INTELLIGENT CONTROLLER UNIT ICU Three Timer/PWMs, ADC, SCI |
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