ST92185B STMicroelectronics, ST92185B Datasheet - Page 8

• Manufacturer Part Number: ST92185B
• Description: 16k/24k/32k Rom Hcmos Mcu With On-screen-display
• Manufacturer: STMicroelectronics

ST92185B - GENERAL DESCRIPTION
INTRODUCTION (Cont’d)
Figure 1. ST92185B Block Diagram
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OSCOUT
RESETO
SDO/SDI
VSO[2:1]
INT[7:4]
STOUT
RESET
OSCIN
MCFM
INT2
INT0
SCK
NMI
All alternate functions (Italic characters) are mapped on Ports 0, 2, 3, 4 and 5
TDSRAM TRI
CLOCK CTRL
2 Kbytes
Management
24/32 Kbytes
Register File
WATCHDOG
TIMING AND
SYNTHESIS
ST9+ CORE
STANDARD
VOLTAGE
256 bytes
256 bytes
Interrupt
8/16-bit
TIMER/
TIMER
RCCU
16-BIT
MMU
ROM
CPU
RAM
SPI
CONTROL
D/A CON-
DISPLAY
SCREEN
VERTER
PORT 0
PORT 2
PORT 4
PORT 5
PORT 3
SYNC
PWM
ADC
I/O
I/O
I/O
I/O
I/O
ON
MULTIP.
FREQ.
8
6
4
8
2
VSYNC
HSYNC/CSYNC
CSO
P0[7:0]
P2[5:0]
P3[7:4]
P4[7:0]
P5[1:0]
AIN[4:1]
EXTRG
R/G/B/FB
TSLU
HT
PWM[7:0]
PXFM