UPSD3422EV-40U6 STMicroelectronics, UPSD3422EV-40U6 Datasheet - Page 71

• Manufacturer Part Number: UPSD3422EV-40U6
• Description: MCU 8BIT 8032 64KB FLASH 80TQFP
• Manufacturer: STMicroelectronics
• Series: µPSDr

Specifications of UPSD3422EV-40U6

• Core Processor: 8032
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, IrDA, SPI, UART/USART, USB
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 46
• Program Memory Size: 80KB (80K x 8)
• Program Memory Type: FLASH
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 80-TQFP, 80-VQFP
• For Use With: 497-5577 - BOARD EVAL USB POWER SWITCH497-5518 - EVAL BOARD RFID READER
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Other names: 497-4905

UPSD3422, UPSD3433, UPSD3434, UPSD3454
Table 28.
Table 29.
Table 30.
Bit 7
2:0
Bit
7:4
3:0
Bit
3
PLLM[3:0]
PLLD[3:0]
CCON0 register bit definition (continued)
CCON1 PLL control register (SFR FAh, reset value 00h)
CCON1 register bit definition
Symbol
Symbol
CPUAR
CPUPS
Bit 6
PLLM[3:0]
R/W
R,W
R,W
Bit 5
R/W
R,W
R,W
4-bit PLL Divider (Default after reset: PLLD = 0h)
Lower 4 bits of the 5-bit PLLM[4:0] Multiplier (Default after reset:
PLLM = 00h)
PLLM[4] is in the CCON0 register.
Automatic MCU Clock Recovery
MCUCLK Pre-Scaler
0 = There is no change of CPUPS[2:0] when an interrupt
occurs.
1 = Contents of CPUPS[2:0] automatically become 000b
whenever any interrupt occurs.
000b: f
001b: f
010b: f
011b: f
100b: f
101b: f
110b: f
111b: f
Bit 4
MCU
MCU
MCU
MCU
MCU
MCU
MCU
MCU
= f
= f
= f
= f
= f
= f
= f
= f
Bit 3
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
/2
/4
/8
/16
/32
/1024
/2048
(Default after reset)
Definition
Definition
Bit 2
PLLD[3:0]
MCU clock generation
Bit 1
Bit 0
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