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參數(shù)資料
| 型號： | KS88C9408 |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | 8-Bit CMOS Microcontroller(8位 CMOS 微控制器) |
| 中文描述： | 8位CMOS微控制器（8位的CMOS微控制器） |
| 文件頁數(shù)： | 6/12頁 |
| 文件大?。?/td> | 73K |
| 代理商： | KS88C9408 |
KS88C9408
PRELIMINARY DATA SHEET
6
Register File (SRAM)
The KS88C9408 has a 272-byte area in SRAM for
general-purpose registers and working registers, and
another 25 bytes for mapped system control
registers.
SYSTEM
CONTROL
REGISTERS
WORKING
REGISTERS
GENERAL
PURPOSE
REGISTERS
CFH
C0H
C0H
BFH
FFH
00H
GENERAL
PURPOSE
REGISTERS
SET 1
SET 2
Figure 5. Register File Map
Serial I/O Interface
The KS88C9408 supports asynchronous half-duplex
serial I/O in conformance with the ISO 7816-3
standard. A 10-bit frame (one start bit, eight data
bits, LSB first and one even parity bit) is used for
serial transmit and receive operations. Data transfer
rates of 9.6, 19.2, and 36.4 Kbps (at 3.57 MHz) are
supported.
Serial data transfer rates are fully compliant with ISO
standards:
— Using the built-in software subroutine (kernel)
Security Features
The KS88C9408 voltage and frequency detectors
perform the following functions:
— Detect abnormal V
DD
levels
— Detect abnormal clock frequencies
Using security control register setting, programmers
can enable or disable the chip reset function, as
required by the application.
Random Number generator
A 16-bit random number generator issues security
keys which are used for authentication procedures in
smart card applications.
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