UPSD3433E-40U6 STMicroelectronics, UPSD3433E-40U6 Datasheet - Page 252

• Manufacturer Part Number: UPSD3433E-40U6
• Description: MCU 8BIT 8032 128KB FLASH 80TQFP
• Manufacturer: STMicroelectronics
• Series: µPSDr

Specifications of UPSD3433E-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: 160KB (160K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 80-TQFP, 80-VQFP
• For Use With: 497-5518 - EVAL BOARD RFID READER497-5218 - KIT DEVELOPMENT FOR UPSD3400497-2381 - CABLE PROGRAMMER FLASH LINK
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Other names: 497-4907

PSD module
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assembly code example in
command the MCU module to Power Down mode after the PDS Module goes to Power-
Down mode. In this case, even though the code memory goes off-line in the PSD module,
the last few MCU instruction are sourced from the PFQ.
Forced power-down example
PDOWN:
LOOP:
Figure 88. Automatic power-down (APD) unit
PSD MODULE RST_
CLKIN (pin PD1)
CSI (pin PD2)
8032 ALE
PMMR0, BIT 1 (APD EN)
PMMR3, BIT 1 (FORCE_PD)
8032 DATA FROM MCU MODULE
8032 ADDR FROM MCU MODULE
ANL
ORL
MOV
CLR
JMP
NOP
MOVX
MOV
MOV
JMP
WHEN CSI FUNCTION IS SPECIFIED IN PSDSOFT EXPRESS,
CSI IS PART OF EQUATIONS FOR FSx, CSBOOTx, RS0, and CSIOP
TRANSITION
DETECTION
DETECTION
ENABLE
A8h, #7Fh
9Dh, #C0h
DPTR, #xxC7 ; load XDATA pointer to select PMMR3 register (xx = base
A
LOOP
@DPTR, A
87h, A
A, #02h
LOOP
EDGE
Table
TRANSITION
1 = FOUND
1 = FOUND
EDGE
, the PFQ will be loaded with the final instructions to
; disable all interrupts
; ensure PFQ and BC are enabled
; address of csiop registers)
; clear A
; first loop - fill PFQ/BQ with Power Down instructions
; second loop - fetch code from PFQ/BC and set Power-
; Down bits for PSD module and then MCU module
; loop
; set PD Bit in PCON register in MCU module in second
; loop
; set power-down bit in the A register, but not in PMMR3 or
; PCON yet in first loop
; uPSD enters into Power-Down mode in second loop
; set FORCE_PD Bit in PMMR3 in PSD module in second
UPSD3422, UPSD3433, UPSD3434, UPSD3454
CLEAR
UP-COUNTER
CLK
4-BIT APD
ENABLE
COUNT
FULL
PDN
PDN
CSI
DOWN MODE
1 = POWER
PDN
EQUATIONS
DPLD CHIP
SELECT
GPLD
ENABLE
8032 ADDR
8032 DATA
BUFFERS
OMC OUTPUTS
MODULE
CSBOOTx
LINE
PSD
CSIOP
FSx
RS0
AI06608B