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Serial Interface
13-37
13.4.2
Block Diagram of UART Serial Interface
Fig 13-4-1 shows the block diagram for the UART serial interface sections.
Fig. 13-4-1 Block Diagram
Transmission buffer
Shift register
SBO3
SBI3
SBT3
Transmission buffer write
Start bit detection
Parity bit check
Stop bit check
Start bit
Parity bit addition
Stop bit addition
Clock
control
IOCLK
Timer 2 underflow
Send break
Transmission clock
Reception buffer read
Reception buffer
Shift register
Output control
Interrupt request
generation
Transmission
interrupt request
Reception
interrupt request
Timer 8 underflow
IRQ7
Serial interface 3
Transmission bit
counter
SC3ICR
Interrupt mode register
SC3TIM
Timer register
Reception bit
counter
SC3STR
Status register
SC3CTR
Control register
Transmission clock
I/O Port Block
Set the serial signals
in the I/O port
control register.
When using IRQ7,
digital input must be
selected.
Summary of Contents for MN103001G/F01K
Page 1: ...MICROCOMPUTER MN1030 MN103001G F01K LSI User s Manual Pub No 23101 050E ...
Page 2: ......
Page 4: ......
Page 6: ......
Page 8: ......
Page 9: ...Table of Contents List of Figures and Tables 0 ...
Page 26: ...xviii ...
Page 27: ...1 0 1 General Specifications ...
Page 35: ...2 CPU 2 ...
Page 57: ...3 Extension Instruction Specifications 3 ...
Page 96: ...Extension Instruction Specifications 3 40 ...
Page 97: ...4 Memory Modes 3 4 ...
Page 102: ...Memory Modes 4 6 ...
Page 103: ...5 Operating Mode 5 ...
Page 107: ...6 Clock Generator 6 13 ...
Page 111: ...7 Internal Memory 7 ...
Page 114: ...Internal Memory 7 4 ...
Page 115: ...8 Bus Controller BC 8 ...
Page 189: ...9 Interrupt Controller 9 ...
Page 220: ...Interrupt Controller 9 32 ...
Page 221: ...10 8 bit Timers 9 10 ...
Page 254: ...8 bit Timers 10 34 ...
Page 255: ...11 16 bit Timers 11 ...
Page 292: ...16 bit Timers 11 38 ...
Page 293: ...12 Watchdog Timer 11 12 ...
Page 302: ...Watchdog Timer 12 10 ...
Page 303: ...13 Serial Interface 13 ...
Page 354: ...Serial Interface 13 52 ...
Page 355: ...14 A D Converter 14 ...
Page 367: ...15 I O Ports 15 ...
Page 431: ...16 Internal Flash Memory 16 ...
Page 439: ...17 17 Ordering Mask ROM ...
Page 442: ...Ordering Mask ROM 17 4 ...
Page 443: ...Appendix ...