ST6252C STMicroelectronics, ST6252C Datasheet - Page 31

• Manufacturer Part Number: ST6252C
• Description: 8 Bit ST6 Microcontroller with 4x8-bitADC 1x8-bit TIMER, 1x8-bitAR TIMER
• Manufacturer: STMicroelectronics

Specifications of ST6252C

• Data Ram: 128 bytes
• Data Eeprom: 64 bytes (none on ST62T52C)

INTERRUPTS (Cont’d)
Figure 21. Interrupt Block Diagram
PORT C
PORT A
PORT B
Bits
Bits
NMI
FROM REGISTER PORT A,B,C
SPIMOD Register
SINGLE BIT ENABLE
SPIDIV Register
PBE
SPINT bit
PBE
PBE
SPIE bit
V
DD
V
AR TIMER
DD
TIMER1
ADC
OVIE
CPIE
EOC
OVF
CPF
TMZ
EAI
EIE
ETI
EF
IOR REG. C8H, bit 5
CLK
CLR
FF
Q
IOR REG. C8H, bit 6
I
1
Start
CLK Q
CLK
CLR
MUX
0
1
FF
CLR
FF
Bit GEN (IOR Register)
Q
I
I
0
2
Start
Start
ST6252C ST6262B ST6262C
NMI (FFC,D)
INT #1 (FF6,7)
INT #2 (FF4,5)
INT #3 (FF2,3)
INT #4 (FF0,1)
RESTART FROM
STOP/WAIT
VA0426K
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