UPD784026 Renesas Electronics Corporation., UPD784026 Datasheet - Page 465

• Manufacturer Part Number: UPD784026
• Description: 16/8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

Shift Clock
for UART
Transmission
& IOE
UART Reception
Shift Clock
Selector
CSCK1
1/2
Selector
1/2
Clear
Match
Match
5-Bit Counter
5-Bit Counter
Figure 16-14 Baund Rate Generator block Diagram
Start Bit Detection
Sampling Clock
Start Bit Detection
RESET
BRGC Write
RESET
f
PRS
Clock Serial
Interface Mode
Registers 1 & 2
1/8
Selector
CSCK1
CSIM1, CSIM2
Asynchronous Serial
Interface Mode
Registers 1 & 2
Frequency
Divider
Internal Bus
1/8
SCK
ASIM1, ASIM2
Selector
Baud Rate Generator
Control Register
f
XX
8
/2
BRGC, BRGC2
P25/ASCK/SCK1,
P12/ASCK2/SCK2
RESET