ST72651AR6 STMicroelectronics, ST72651AR6 Datasheet - Page 6

• Manufacturer Part Number: ST72651AR6
• Description: LOW-POWER, FULL-SPEED USB 8-BIT MCU WITH 32K FLASH, 5K RAM, FLASH CARD I/F, TIMER, PWM, ADC, I2C, SPI
• Manufacturer: STMicroelectronics

Specifications of ST72651AR6

• Dual Supply Management: analog voltage detector on the USB power line to enable smart power switching from USB power to battery (on E suffix devices).
• Programmable Internal Voltage Regulator For Memory Cards (2.8v To 3.5v) Supplying: Flash Card I/O lines (voltage shifting)
• 5 Usb Endpoints: 1 control endpoint
• Dtc (data Transfer Coprocessor): Universal Serial/Parallel communications interface, with software plug-ins for current and future protocol standards

ST72651AR6
INTRODUCTION (Cont’d)
Figure 3. ST7265x Block Diagram
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1
* not available on all products (refer to Table 1: Device Summary)
OSCOUT
USBDM
USBVCC
USBDP
PD[7:0]
RESET
OSCIN
(8 bits)
V
PP
48MHz
12MHz
16-BIT TIMER*
TRANSFER
(1280 bytes)
(0.5/5 KBytes)
OSC
PLL
(16/32 Kbytes)
WATCHDOG
8-BIT CORE
BUFFER
CONTROL
PROGRAM
MEMORY
PORT D
DATA
USB
LVD*
RAM
ALU
DIVIDER
CLOCK
Doc ID 7215 Rev 4
f
CPU
POWER SUPPLY
COPROCESSOR
FLASH SUPPLY
DTC S/W RAM
DUAL SUPPLY
REGULATOR
MANAGER *
(256 Bytes)
TRANSFER
8-BIT ADC*
PORT A
PORT B
PORT C
PORT E
PORT F
BLOCK
SPI *
PWM*
DATA
I
2
C*
V
PA[7:0]
PB[7:0]
PC[7:0]
PE[7:0]
PF[6:0]
V
V
(8 bits)
(8 bits)
(8 bits)
(8 bits)
(7 bits)
V
DDA
SSA
USBV
USBV
DDF
SSF
V
V
DD1,
SS1,
V
SS
DD
V
DD2
SS2