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January 2009 Rev 5 1/189
1
UPSD3234A, UPSD3234BV
UPSD3233B, UPSD3233BV
Flash programmable system devices
with 8032 MCU and 64 Kbit SRAM
Features
■ Fast 8-bit 8032 MCU
– 40 MHz at 5.0 V, 24 MHz at 3.3 V
– Core, 12-clocks per instruction
■ Dual Flash memories with memory
management
– Place either memory into 8032 program
address space or data address space
– Read-while-write operation for in-
application programming and EEPROM
emulation
– Single voltage program and erase
– 100,000 minimum erase cycles, 15-year
retention
■ Clock, reset, and supply management
– Normal, idle, and power down modes
– Power-on and low voltage reset supervisor
– Programmable watchdog timer
■ Programmable logic, general-purpose
– 16 macrocells
– Implements state machines, glue-logic, etc.
■ Timers and interrupts
– Three 8032 standard 16-bit timers
– 10 Interrupt sources with two external
interrupt pins
■ A/D converter
– Four channels, 8-bit resolution, 10 µs
■ Communication interfaces
– USB v1.1, low-speed 1.5 Mbps,
3 endpoints
–I
2
C master/slave bus controller
– Two UARTs with independent baud rate
– Six I/O ports with up to 46 I/O pins
– 8032 address/data bus available on
TQFP80 package
– 5 PWM outputs, 8-bit resolution
■ JTAG in-system programming
– Program the entire device in as little as
10 seconds
■ Single supply voltage
– 4.5 to 5.5 V
– 3.0 to 3.6 V
■ ECOPACK® packages
LQFP52 (T)
52-lead, thin,
quad flat package
LQFP80 (U)
80-lead, thin, quad
flat package
Table 1. Device summary
Order code
Max. clock
(MHz)
1st
Flash
2nd
Flash
SRAM GPIO USB
8032
bus
V
CC
(V) Pkg. Temp.
UPSD3233B-40T6 40 128 KB 32 KB 8 KB 37 No No 4.5-5.5 TQFP52 –40°C to 85°C
UPSD3233BV-24T6 24 128 KB 32 KB 8 KB 37 No No 3.0-3.6 TQFP52 –40°C to 85°C
UPSD3233B-40U6 40 128 KB 32 KB 8 KB 46 No Yes 4.5-5.5 TQFP80 –40°C to 85°C
UPSD3233BV-24U6 24 128 KB 32 KB 8 KB 46 No Yes 3.0-3.6 TQFP80 –40°C to 85°C
UPSD3234A-40T6 40 256 KB 32 KB 8 KB 37 Yes No 4.5-5.5 TQFP52 –40°C to 85°C
UPSD3234A-40U6 40 256 KB 32 KB 8 KB 46 Yes Yes 4.5-5.5 TQFP80 –40°C to 85°C
UPSD3234BV-24U6 24 256 KB 32 KB 8 KB 46 No Yes 3.0-3.6 TQFP80 –40°C to 85°C
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