UPSD3254 STMICROELECTRONICS [STMicroelectronics], UPSD3254 Datasheet - Page 56

• Manufacturer Part Number: UPSD3254
• Description: Flash Programmable System Devices with 8032 Microcontroller Core
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

UPSD3254A, UPSD3254BV, UPSD3253B, UPSD3253BV
Figure 22. Timer/Counter Mode 0: 13-bit Counter
Figure 23. Timer/Counter Mode 2: 8-bit Auto-reload
56/175
INT1 pin
INT1 pin
Gate
Gate
T1 pin
T1 pin
f
f
OSC
OSC
TR1
TR1
÷ 12
÷ 12
C/T = 0
C/T = 0
C/T = 1
C/T = 1
Control
Control
(8 bits)
(5 bits)
(8 bits)
TH1
TL1
TL1
(8 bits)
TH1
TF1
TF1
Interrupt
Interrupt
AI06622
AI06623