Description
ST92124xxx-Auto/150xxxxx-Auto/250xxxx-Auto
Figure 1.
ST92124R9-Auto: Architectural block diagram
FLASH
64 Kbytes
NMI
INT[5:0]
WKUP[13:0]
OSCIN
OSCOUT
RESET
CLOCK2/8
INTCLK
CK_AF
STOUT
E3 TM
1 Kbyte
RAM
2 Kbytes
256 bytes
Register File
8/16 bits
CPU
Interrupt
Management
ST9 CORE
RCCU
ST. TIMER
Fully
Prog.
I/Os
I2C BUS
WATCHDOG
SPI
ICAPA0
OCMPA0
ICAPB0
ICAPA1
OCMPA1
ICAPB1
TINPA0
TOUTA0
TINPB0
TOUTB0
TINPA1
TOUTA1
TINPB1
TOUTB1
EF TIMER 0
EF TIMER 1
MF TIMER 0
MF TIMER 1
ADC
SCI M
P0[7:0]
P1[2:0]
P2[7:0]
P3[7:4]
P4[7:4]
P5[7:0]
P6[5:2,0]
P7[7:0]
SDA
SCL
WDOUT
HW0SW1
MISO
MOSI
SCK
SS
AVDD
AVSS
AIN[15:8]
EXTRG
TXCLK
RXCLK
SIN
DCD
SOUT
CLKOUT
RTS
VREG
VOLTAGE
REGULATOR
The alternate functions (Italic characters) are mapped on Port 0, Port 1, Port2, Port3, Port4, Port5, Port6
and Port7.
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Doc ID 13898 Rev 2