Teac CR-H250, Service Manual, Page: 4 / 17

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256 bytes
Register File
RAM
4 Kbytes
ST9 CORE
8/16 bits
CPU
Interrupt
Management
ME
MOR
Y BU
S
RCCU
Ext. MEM.
ADDRESS
DATA
Port0
Ext. MEM.
ADDRESS
Ports
1,9
RE
GISTE
R BU
S
WATCHDOG
AS
DS
RW
WAIT
NMI
DS2
RW
MISO
MOSI
SCK
SS
A[10:8]
A[21:11]
A[7:0]
D[7:0]
ST. TIMER
SPI
SDA
SCL
I
2
C BUS
FLASH
128 Kbytes
WDOUT
HW0SW1
STOUT
Fully
Prog.
I/Os
P0[7:0]
P1[7:3]
P1[2:0]
P2[7:0]
P3[7:4]
P3[3:1]
P4[7:4]
P4[3:0]
P5[7:0]
P6[5:2,0]
P6.1
P7[7:0]
P8[7:0]
P9[7:0]
MF TIMER 0
TINPA0
TOUTA0
TINPB0
TOUTB0
TINPA1
TOUTA1
TINPB1
TOUTB1
INT[6:0]
WKUP[15:0]
MF TIMER 1
E
3 TM
1 Kbyte
OSCIN
OSCOUT
RESET
CLOCK2/8
INTCLK
CK_AF
ADC
AV
DD
AV
SS
AIN[15:8]
AIN[7:0]
EXTRG
V
REG
VOLTAGE
REGULATOR
The alternate functions (
Italic characters
) are mapped on Port 0, Port 1, Port2, Port3, Port4, Port5, Port6, Port7,
Port8 and Port9.
ICAPA0
OCMPA0
ICAPB0
OCMPB0
EXTCLK0
ICAPA1
OCMPA1
ICAPB1
OCMPB1
EXTCLK1
EF TIMER 0
EF TIMER 1
SCI M
TXCLK
RXCLK
SIN
DCD
SOUT
CLKOUT
RTS
SCI A
RDI
TDO
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