參數(shù)資料
型號： MC68HSC05C9A
廠商： Motorola, Inc.
元件分類： 8位微控制器
英文描述： 8-Bit Microcontroller(8位微控制器)
中文描述： 8位微控制器（8位微控制器）
文件頁數(shù)： 154/160頁
文件大小： 783K
代理商： MC68HSC05C9A
L
G
R
Self-Check Mode
General Release Specification
MC68HC05C9A
—
Rev. 4.0
154
Self-Check Mode
MOTOROLA
C.3 Self-Check Mode
Self-check mode is entered upon the rising edge ofRESET if theIRQ pin
is at V
TST
and the TCAP pin is at logic one.
C.3.1 Self-Check Tests
The self-check ROM at mask ROM location $3F00–$3FEF determines
if the MCU is functioning properly.The following tests are performed:
1.
2.
3.
4.
I/O — Functional test of ports A, B, and C
RAM — Counter test for each RAM byte
Timer — Test of counter register and OCF bit
SCI — Transmission test: Checks for RDRF, TDRE, TC, and FE
flags
ROM — Exclusive OR with odd ones parity result
SPI — Transmission test: Checks for SPIF and WCOL flags
5.
6.
The self-check circuit is shown in
Figure C-1
.
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