參數(shù)資料
型號(hào): MC68HC05C9ACB
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP42
封裝: SHRINK, PLASTIC, DIP-42
文件頁數(shù): 62/160頁
文件大?。?/td> 4128K
代理商: MC68HC05C9ACB
NON-DISCLOSURE
AGREEMENT
REQUIRED
Self-Check Mode
General Release Specification
MC68HC05C9A Rev. 4.0
Self-Check Mode
C.3 Self-Check Mode
Self-check mode is entered upon the rising edge of RESET if the IRQ 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. I/O — Functional test of ports A, B, and C
2. RAM — Counter test for each RAM byte
3. Timer — Test of counter register and OCF bit
4. SCI — Transmission test: Checks for RDRF, TDRE, TC, and FE
flags
5. ROM — Exclusive OR with odd ones parity result
6. SPI — Transmission test: Checks for SPIF and WCOL flags
The self-check circuit is shown in Figure C-1.
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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