參數(shù)資料
型號: MC68HSC05C8A
廠商: Motorola, Inc.
英文描述: 8-Bit Microcontroller Units (MCU).(8位微控制器)
中文描述: 8位微控制器單元(MCU)。(8位微控制器)
文件頁數(shù): 92/156頁
文件大小: 755K
代理商: MC68HSC05C8A
L
G
R
Operating Modes
General Release Specification
MC68HC05C8A
Rev. 3.0
92
Operating Modes
MOTOROLA
Figure 11-1. User Mode Pinout
11.4 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.
11.4.1 Self-Check Tests
The self-check ROM at mask ROM location $1F00–$1FEF 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
1
2
3
4
5
6
7
8
9
10
11
12
13
14
27
28
29
30
31
32
33
34
35
36
37
38
39
40
V
DD
OSC1
OSC2
TCAP
PD7
PD6/TCMP
PD5/SS
PD4/SCK
PD3/MOSI
PD2/MISO
PD1/TDO
PD0/RDI
PC0
PC1
RESET
IRQ
NC
PA7
PA5
PA4
PA3
PA2
PA1
PA0
PB0
PB1
PB2
PA6
15
16
17
18
19
20
PB4
PB5
PB6
PB7
V
SS
PB3
21
22
23
24
25
26
PC2
PC3
PC4
PC5
PC6
PC7
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