ST6225C STMicroelectronics, ST6225C Datasheet - Page 28

• Manufacturer Part Number: ST6225C
• Description: 8 Bit ST6 Microcontroller with 16x8-bitADC 1x8-bit TIMER
• Manufacturer: STMicroelectronics

Specifications of ST6225C

• Clock Sources: crystal/ceramic resonator or RC network, external clock, backup oscillator (LFAO)
• 2 Power Saving Modes: Wait and Stop

ST6215C ST6225C
Figure 17. Interrupts Block Diagram
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1
PA0..PA7
PB0..PB7
PC4..PC7
NMI
I/O PORT REGISTER
“INPUT WITH INTERRUPT”
CONFIGURATION
CONFIGURATION
I/O PORT REGISTER
“INPUT WITH INTERRUPT”
A/D CONVERTER
V D D
TIMER
(ADCR REGISTER)
(TSCR REGISTER)
(IOR REGISTER)
LATCH
EOC BIT
TMZ BIT
EAI BIT
ETI BIT
AT START OF VECTOR #0 ROUTINE
CLEARED BY H/W
CLEARED BY H/W
AT START OF
VECTOR #1 ROUTINE
ESB BIT
LATCH
BY H/W AT START OF
VECTOR #2 ROUTINE
CLEARED
LATCH
(IOR REGISTER)
(IOR REGISTER)
LES BIT
0
1
GEN BIT
VECTOR #0
VECTOR #1
VECTOR #3
VECTOR #4
VECTOR #2
EXIT FROM
STOP/WAIT