CHAPTER 14 SERIAL ARRAY UNIT
Page 328 of 920
Figure 14 - 2 shows the Block Diagram of Serial Array Unit 1.
Figure 14 - 2 Block Diagram of Serial Array Unit 1
Serial clock select register 1 (SPS1)
PRS
113
Selector
f
CLK
f
CLK
/2
0
to f
CLK
/2
15
Selector
CKS10CCS10 MD101
Communication controller
Edge
detection
Mode selection
CSI20
Shift register
Serial data register 10 (SDR10)
Interrupt
controller
Output
controller
Edge/
level
detection
SOE13 SOE12 SOE11SOE10
SAU1EN
Peripheral enable
register 0 (PER0)
Serial mode register 10 (SMR10)
SE13 SE12 SE11 SE10
Serial channel
enable status
register 1 (SE1)
ST13 ST12 ST11 ST10
SS13 SS12 SS11 SS10
(Buffer register block)
(Clock division setting block)
Error controller
TXE
10
RXE
10
DAP
10
CKP
10
Serial communication operation setting register 10 (SCR10)
EOC
10
PECT
10
Serial flag clear trigger
register 10 (SIR10)
OVCT
10
PTC
101
DLS
100
PTC
100
DIR
10
SLC
101
TSF
10
OVF
10
BFF
10
PEF
10
Serial status register 10 (SSR10)
Clear
Channel 0
Communication controller
Mode selection
CSI21
Communication controller
Communication controller
Mode selection
CSI30 or
UART3
(for transmission)
CK11
CK10
Prescaler
CK11
CK10
CK11
CK10
CK11
CK10
SNFEN
30
Edge/level
detection
Selector
Selector
Edge/level
detection
Mode selection
UART3
(for reception)
Edge/level
detection
Noise
elimination
enabled/
disabled
SNFEN30
0
SOL12
0
SOL10
Error controller
Error controller
Serial output register 1 (SO1)
CKO13
SO13 SO12 SO11 SO10
0
Synchro-
nous
circuit
Synchro-
nous
circuit
Synchro-
nous
circuit
Synchro-
nous
circuit
Error
information
0
0
0
0
0
0
0
CKO12 CKO11CKO10
PRS
112
PRS
111
PRS
110
PRS
103
PRS
102
PRS
101
PRS
100
f
CLK
/2
0
to f
CLK
/2
15
Serial channel
start register 1 (SS1)
Serial channel
stop register 1 (ST1)
Serial output
enable register 1
(SOE1)
Serial output
level register 1 (SOL1)
Noise filter enable
register 0 (NFEN0)
0
Channel 1
Channel 2
Serial data input pin
(when CSI20: SI20)
Serial clock I/O pin
(when CSI21: SCK21)
Serial data input pin
(CSI21: SI21)
Serial clock I/O pin
(when CSI30: SCK30)
Serial data input pin
(CSI30: SI30)
(when UART3: RxD3)
When UART3
Channel 3
Serial transfer end
interrupt
(when CSI20: INTCSI20)
Serial data output pin
(when CSI21: SO21)
Serial transfer end
interrupt
(when CSI21: INTCSI21)
Serial transfer error
interrupt (INTSRE2)
Serial data output pin
(when CSI30: O30)
(when UART3: TxD3)
Serial transfer end
interrupt
(when CSI30: INTCSI30)
(when UART3: INTST3)
Serial transfer end
interrupt
(when UART3: INTSR3)
Serial transfer error
interrupt (INTSRE3)
f
MCK
f
SCK
f
TCLK
Co
mmun
ic
at
ion
st
atus
Se
le
ct
or
Sel
e
ct
or
C
lock
c
ontroll
er
Serial clock I/O pin
(when CSI20: SCK20)
PM15
Output latch
(P15)
Serial data output pin
(when CSI20: SO20)
PM13
Output latch
(P13)
Summary of Contents for RL78/G1H
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