TMP91C824
91C824-3
2008-02-20
( ): Initial function after reset
Figure 1.1 TMP91C824 Block Diagram
F
ADTRG
(P83)
AN0 to AN7 (P80 to P87)
AVCC, AVSS
VREFH, VREFL
TXD0 (PC0)
RXD0 (PC1)
SCLK0/
0
CTS
(PC2)
TXD1 (PC3)
RXD1 (PC4)
SCLK1/
1
CTS
(PC5)
OPTRX0, SCK (P70)
OPTTX0, SO/SDA(P71)
SI/SCL (P72)
TA0IN (PB0)
TA1OUT (PB1)
TA3OUT (PB2)
DVCC [2]
DVSS [2]
X1
X2
EMU0
EMU1
XT1
XT2
SCOUT (PD5)
RESET
AM0
AM1
D0 to D7
A0 to A7
A8 to A15
P10 to P17 (D8 to D15)
P20 to P27 (A16 to A23)
RD
WR
HWR
(PZ2)
R/
W
(PZ3)
BUSRQ
(P54)
BUSAK
(P55)
WAIT
(P56)
CS0
to
CS3
(P60 to P63),
CS2A
to
E
2
CS
(P62, P64 to P67)
(P60 to P67)
NMI
INT0 to INT3 (PB3 to PB6)
MLDALM (PD7)
ALARM
,
MLDALM
(PD6)
10-bit 8-channel
AD
converter
SIO/UART/IrDA
(SIO0)
8-bit timer
(TMRA0)
SIO/UART
(SIO1)
8-bit timer
(TMRA1)
8-bit timer
(TMRA2)
8-bit timer
(TMRA3)
Port 6
Port 8
Port B
Port C
Port D
Serial bus
I/F(SBI)
H-OSC
Clock gear,
Clock doubler
L-OSC
Port Z
CS/WAIT
controller
(4 blocks)
Port 2
Interrupt
controller
Melody/
Alarm-out
Port 1
MMU
RTC
8-Kbyte RAM
WDT
(Watchdog timer)
XWA
XBC
XDE
XHL
XIX
XIY
XIZ
XSP
W A
B C
D E
H L
IX
IY
IZ
SP
32 bits
SR
Port 5