ST7263 STMICROELECTRONICS [STMicroelectronics], ST7263 Datasheet - Page 30

• Manufacturer Part Number: ST7263
• Description: LOW SPEED USB 8-BIT MCU FAMILY with up to 16K MEMORY, up to 512 BYTES RAM, 8-BIT ADC, WDG, TIMER, SCI & I2C
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

ST7263
I/O PORTS (Cont’d)
5.1.6 Port C
Table 12. Port C Description
Figure 21. Port C Configuration
30/109
PC0
PC1
PC2
*Reset State
ALTERNATE INPUT
PORT C
DR SEL
with pull-up
with pull-up
with pull-up
DDR SEL
DDR
LATCH
DR
LATCH
Input*
ALTERNATE
OUTPUT
1
0
push-pull
push-pull
push-pull
I / O
1
0
Output
ALTERNATE ENABLE
ALTERNATE ENABLE
ALTERNATE ENABLE
CMOS SCHMITT TRIGGER
RDI (SCI input)
TDO (SCI output)
USBOE (USB output ena-
ble)
Signal
PULL-UP
Alternate Function
V
SS
N-BUFFER
V
DD
P-BUFFER
SCI enable
USBOE =1
(MISCR)
V
Condition
DD
DIODES
PAD