TMP91C824
91C824-3
Figure 1.1
TMP91C824F Block Diagram
8KB R AM
CPU (TLCS-900/L1)
PC
10-BIT 8CH
A/D
CONVERTER
H-OSC
SIO/UART/IrDA
(SIO0)
8BIT TIMER
(TMRA0)
32 bit
F
SR
XW A
XBC
XD E
XH L
XIX
XIY
XIZ
XSP
W A
IX
IY
IZ
SP
TXD0 (PC0)
RXD0 (PC1)
TXD1 (PC3)
RXD1 (PC4)
DVCC [3]
DVSS [3]
X1
X2
D0 to D7
A0 to A7
A8 to A15
P10 to P17(D 8 to D15)
P20 to P27
(A16 toA23)
AN0 to AN7
(P80 to P87)
AVCC, AVSS
VREFH, VREFL
SCOUT(PD5)
RESET
AM0
AM1
W DT
(W atch
D ogTimer)
Clock Gear,
Clock Doubler
SIO/UART
(SIO1)
RD
W R
HW R(P52)
W AIT (P53)
BUSRQ (P54)
BUSAK(P55)
R/W (P56)
L-OSC
EMU 0
EMU 1
PORT 5
CS/W AIT
CONTROLLER
(4-BLOCK)
PORT 2
CS0 toCS3
,CS2A
〜
CS2E
INTERRUPT
CONTROLLER
INT0 to INT3
MELODY/
ALARM-OUT
MLDALM(PD 7)
8BIT TIMER
(TMRA1)
TA1OUT (PB1)
8BIT TIMER
(TMRA2)
8BIT TIMER
(TMRA3)
TA3OUT (PB2)
(
) : Initial Function After Reset
B C
D E
H L
ADTRG(P83)
SCLK1/ CTS1(PC5)
(P60 to P67)
PORT 1
PORT 6
PORT 8
PORT B
PORT C
PORT D
(PB3 to PB6),
SCLK0/CTS0 (PC2)
OPTRX0,SCK (P70)
OPTTX0,SO/SDA
(P71)
SERIAL BUS
I/F(SBI)
SI/SCL
(P72)
RTC
ALARM,MLD ALM(PD6)
XT1
XT2
TA0IN (PB0)
NMI
MMU