st10f269z1 STMicroelectronics, st10f269z1 Datasheet - Page 98

• Manufacturer Part Number: st10f269z1
• Description: St10f269 16-bit Mcu With Mac Unit, 256k Byte Flash Memory And 12k Byte Ram
• Manufacturer: STMicroelectronics

14 - SERIAL CHANNELS
14.1.2 - ASCO in Synchronous Mode
In synchronous mode, data are transmitted or received synchronously to a shift clock which is generated
by the ST10F269. Half-duplex communication up to 5M Baud (at 40MHz f
possible in this mode.
98/184
Figure 45 : Synchronous Mode of Serial Channel ASC0
Input/Output
RXD0/P3.11
Pin
TDX0/P3.10
CPU
Clock
Output
Pin
Transmit
Receive
S0R
0
1
MUX
S0REN
S0OEN
S0LB
2
Register S0RBUF
Receive Buffer
Receive Shift
Baud Rate Timer
Reload Register
Register
S0M = 000B
Shift Clock
Serial Port Control
Internal Bus
Clock
Register S0TBUF
Transmit Buffer
Transmit Shift
S0OE
Register
4
CPU
) or 4M Baud (at 32MHz) is
S0RIR
S0TIR
S0EIR
Receive Interrupt
Request
Transmit Interrupt
Request
Error Interrupt
Request
ST10F269