
470
CHAPTER 17 UART
17.2
Block Diagram of UART
UART consists of the following 11 blocks, the block diagram is shown in Figure 17.2-1.
■
Block Diagram of UART
Figure 17.2-1 Block Diagram of UART
F
2
MC-16LX bus
MD1
MD0
CS2
CS1
CS0
SCKE
SOE
PEN
P
SBL
CL
A/D
REC
RXE
TXE
PE
ORE
FRE
RDRF
TDRE
RIE
TIE
SIDR0/SIDR1
SODR0/SODR1
P41/SOT0
P40/SIN0
Baud rate
External clock
Clock
Reception clock
Transmission clock
Reception interrupt
Transmission
Reception control
generator
circuit
selection
interrupt
Reception bit
circuit
counter
Reception parity
counter
Transmission control
Transmission
Transmission bit
Transmission
Reception status
EI
2
OS reception error
Reception shifter
circuit
start circuit
counter
parity counter
judgment circuit
signal (to CPU)
Transmission shifter
St
ar
t of
t
ran
s
m
is
s
ion
SMR0/SMR1
SCR0/SCR1
SSR0/SSR1
Control signal
register
register
register
Start bit detect
circuit
En
d o
f r
e
ce
ptio
n
<P60/SIN1>
From
communication
prescaler
16-bit reload timer
<P61/SOT1>
Co
ntr
o
l b
u
s
P42/SCK0
<P62/SCK1>
#39 (27
H
)
*
<#37 (25
H
)
*
>
#40 (28
H
)
*
<#38 (26
H
)
*
>
*
: Interrupt number
BDS
RST
Содержание MB90460 Series
Страница 1: ...The following document contains information on Cypress products ...
Страница 3: ......
Страница 5: ......
Страница 9: ...iv ...
Страница 41: ...22 CHAPTER 1 OVERVIEW ...
Страница 45: ...26 CHAPTER 2 NOTES ON HANDLING DEVICES ...
Страница 83: ...64 CHAPTER 3 CPU ...
Страница 95: ...76 CHAPTER 4 RESET ...
Страница 107: ...88 CHAPTER 5 CLOCK ...
Страница 131: ...112 CHAPTER 6 LOW POWER CONSUMPTION MODE ...
Страница 175: ...156 CHAPTER 7 INTERRUPT ...
Страница 181: ...162 CHAPTER 8 MODE SETTING ...
Страница 223: ...204 CHAPTER 9 I O PORT ...
Страница 237: ...218 CHAPTER 10 TIME BASE TIMER ...
Страница 247: ...228 CHAPTER 11 WATCHDOG TIMER ...
Страница 275: ...256 CHAPTER 12 16 BIT RELOAD TIMER ...
Страница 373: ...354 CHAPTER 14 MULTI FUNCTIONAL TIMER ...
Страница 485: ...466 CHAPTER 16 PWC Timer ...
Страница 531: ...512 CHAPTER 17 UART ...
Страница 559: ...540 CHAPTER 19 DELAYED INTERRUPT GENERATOR MODULE ...
Страница 589: ...570 CHAPTER 20 8 10 BIT A D CONVERTER ...
Страница 601: ...582 CHAPTER 21 ROM CORRECTION FUNCTION ...
Страница 633: ...614 CHAPTER 23 512K 1024K BIT FLASH MEMORY ...
Страница 645: ...626 CHAPTER 24 EXAMPLE OF F2 MC 16LX MB90F462 F462A F463A CONNECTION FOR SERIAL WRITING ...
Страница 715: ...696 APPENDIX ...
Страница 716: ...697 INDEX INDEX The index follows on the next page This is listed in alphabetic order ...
Страница 739: ......