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参数资料
| 型号： | ST6382B1/XXX |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, MROM, MICROCONTROLLER, PDIP42 |
| 封装： | PLASTIC, SDIP-42 |
| 文件页数： | 36/82页 |
| 文件大小： | 1651K |
| 代理商： | ST6382B1/XXX |
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Obsolete
Product(s)
- Obsolete
Product(s)
41/82
ST6388, ST63E88, ST63T88
SERIAL PERIPHERAL INTERFACE (Cont’d)
4.3.4 STD SPI Protocol (Shift Register)
This protocol is similar to the I2C BUS with the ex-
ception that there is no acknowledge pulse and
there are no stop or start bits. The clock cannot be
slowed down by the external peripherals.
In this case all three outputs should be high in or-
der not to lock the software I/Os from functioning.
SPI Standard Bus Protocol: The standard bus pro-
tocol is selected by loading the SPI Control Regis-
ter 1 (SCR1 Add. EBh). Bit 0 named I2C must be
set at one and bit 1 named STD must be reset.
When the standard bus protocol is selected bit 2 of
the SCR1 is meaningless.
This bit named STOP bit is used only in I2C BUS
or SBUS. However take care that THE STOP BIT
MUST BE RESET WHEN THE STANDARD PRO-
TOCOL IS USED. This bit is set to ZERO after RE-
SET.
Figure 28. Software Bus (Hardware Bus Disabled) Timing Diagram
4.3.5 SPI Data/Control Register
For I/O details on SCL (Serial Clock), SDA (Serial
Data) and SEN (Serial Enable) please refer to I/O
Ports description with reference to the following
registers:
Port C data register, Address C2h (Read/Write).
- BIT D0 “SCL”
- BIT D1 “SDA”
- BIT D3 “SEN”
Port C data direction register, Address C6h (Read/
Write).
SPI Serial Data Register (SSDR)
Address: CCh - Read/Write
Reset Value: XXh
SSDR7-0. These are the SPI data bits. They can
be neither read nor written when SPI is operating
(BUSY bit set). They are undefined after reset.
VA00453
02
3
4
16
7
5
IDENT (was SEN, this is optionally controlled by software; output
as far as hardware is concerned is high).
CLOCK
(was SCL)
DATA
(was SDA, TRANSMIT)
DATA
(was SDA, RECEIVE)
70
SSDR
7
SSDR
6
SSDR
5
SSDR
4
SSDR
3
SSDR
2
SSDR
1
SSDR
0
相关PDF资料 |
PDF描述 |
|---|---|
| ST6386B1 | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP42 |
| ST6388B1 | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP42 |
| ST6387B1 | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP42 |
| ST6394B1 | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP42 |
| ST6399B1 | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP42 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| ST6382B4 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-BIT MCUs WITH ON-SCREEN-DISPLAY FOR TV TUNING |
| ST6383 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-BIT MCUs WITH ON-SCREEN-DISPLAY FOR TV TUNING |
| ST6383B1 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-BIT MCUs WITH ON-SCREEN-DISPLAY FOR TV TUNING |
| ST6383B4 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-BIT MCUs WITH ON-SCREEN-DISPLAY FOR TV TUNING |
| ST6385 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-BIT MCUs WITH ON-SCREEN-DISPLAY FOR TV TUNING |
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