ST7263BK2 STMicroelectronics, ST7263BK2 Datasheet - Page 12

• Manufacturer Part Number: ST7263BK2
• Description: LOW SPEED USB 8-BIT MCU FAMILY WITH UP TO 32K FLASH/ROM, DFU CAPABILITY, 8-BIT ADC, WDG, TIMER, SCI and I2C
• Manufacturer: STMicroelectronics

Specifications of ST7263BK2

• 4, 8, 16 Or 32 Kbytes Program Memory: high density Flash (HDFlash), FastROM or ROM with Read-Out and Write protection

Introduction
12/186
Figure 1.
1. ADC channels:
2. 12 or 24 MHz OSCIN frequency required to generate 6 MHz USB clock.
3. The drive from USBVCC is sufficient to only drive an external pull-up in addition to the internal transceiver.
12 on 48-pin devices (Port B and Port D[3:0])
8 on 34 and 32-pin devices (Port B)
None on 24-pin devices
General block diagram
OSCOUT
V
RESET
OSCIN
PP/TEST
V
V
V
V
DDA
SSA
DD
SS
Doc ID 7516 Rev 8
OSCILLATOR
(1024 Bytes)
WATCHDOG
8-BIT CORE
(32K Bytes)
CONTROL
PROGRAM
SUPPLY
USB DMA
MEMORY
POWER
RAM
ALU
LVD
OSC/4 or OSC/2
for USB
INTERNAL
CLOCK
OSC/3
2)
16-BIT TIMER
USB SIE
PORT A
PORT B
PORT C
PORT D
(UART)
ADC
SCI
I²C
(1)
ST7263Bxx
PA[7:0]
(8 bits)
USBDM
USBVCC
PB[7:0]
USBDP
(8 bits)
PC[2:0]
(3 bits)
PD[7:0]
(8 bits)