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参数资料
型号： ST72PSCR1R4T1
厂商： 意法半导体
英文描述： 8-BIT LOW-POWER, FULL-SPEED USB MCU WITH 16K FLASH, 768 RAM, SMARTCARD I/F, TIMER
中文描述： 8位低功耗，全速USB微控制器与16K的闪存，768内存，智能卡的I /楼，计时器
文件页数： 99/102页
文件大小： 1413K
代理商： ST72PSCR1R4T1
Rev. 1.2
99/102
March 2003
ERRATA SHEET
ST7SCR LIMITATIONS AND CORRECTIONS
18 SILICON IDENTIFICATION
This document refers only to ST7FSCR devices shown in
Table 25
. They are identifiable both
by the last letter of the
Trace code
marked on the device package and by the last 3 digits of
the
Internal Sales Type
printed on the box label (see also
Figure 51
)
Table 25. Device Identification
19 REFERENCE SPECIFICATION
ST7SCR Datasheet 1.3 (March 2003).
20 SILICON LIMITATIONS
20.1 UNEXPECTED RESET FETCH
If an interrupt request occurs while a "POP CC" instruction is executed, the interrupt controller
does not recognise the source of the interrupt and, by default, passes the RESET vector ad-
dress to the CPU.
To solve this issue, a "POP CC" instruction must always be preceded by a "SIM" instruction.
20.2 USB: TWO CONSECUTIVE SETUP TOKENS
Description
When two consecutive SETUP tokens are received and the software does not have time to
write the value 8 in the Endpoint 0 Reception Counter Register (CNT0RXR), the data associ-
ated with the second SETUP are not copied to the buffer.
Impact
The impact depends on the host behaviour. In the USB Spec 2.0 it is stated (chapter 5.5.5
p43) that: “A Setup transaction should not normally be sent before the completion of a pre-
vious control transfer. However, if a transfer is aborted, for example, due to errors on the bus,
the host can send the next Setup transaction prematurely from the endpoint’s perspective”. If
the new Setup token is sent because an error occurs in the previous one, it should contain the
same data so no application malfunction will occur.
Trace Code marked on device
“xxxxxxxxxX”
Internal Sales Type on box label
7FSCRxxxx$M1
7FSCRxxxx$T1
Flash Devices:
相关PDF资料
PDF描述
ST72SCR1x4M1 CKTBKR
ST72FSCR1x4M1 CKTBKR
ST72PSCR1x4M1 8-BIT LOW-POWER, FULL-SPEED USB MCU WITH 16K FLASH, 768 RAM, SMARTCARD I/F, TIMER
ST72SCR1x4T1 8-BIT LOW-POWER, FULL-SPEED USB MCU WITH 16K FLASH, 768 RAM, SMARTCARD I/F, TIMER
ST72FSCR1x4T1 8-BIT LOW-POWER, FULL-SPEED USB MCU WITH 16K FLASH, 768 RAM, SMARTCARD I/F, TIMER
相关代理商/技术参数
参数描述
ST72T101G1B6 功能描述:8位微控制器 -MCU OTP EPROM 4K SPI RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
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ST72T121J2B6 功能描述:8位微控制器 -MCU OTP EPROM 8K SPI/SCI RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
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