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CHAPTER 1 OUTLINE
User’s Manual U19780EJ2V0UD
22
1.5 Block Diagram
1.5.1 78K0/KB2-A
PORT 1
P10 to P13
PORT 2
P20 to P25
6
PORT 3
P31, P32, P35
3
V
SS
FLMD0
V
DD
4
PORT 6
P60, P61
2
P120 to P122
3
PORT 12
INTERNAL
HIGH-SPEED
RAM
78K/0
CPU
CORE
FLASH
MEMORY
8-bit TIMER H0
TOH0/P12
8-bit TIMER H1
TOH1/P13
TI50/TO50/P11
8-bit TIMER/
EVENT COUNTER 50
WATCHDOG TIMER
RxD6/P11
TxD6/P10
SERIAL
INTERFACE UART6
TI51/TO51/P10
8-bit TIMER/
EVENT COUNTER 51
16-bit TIMER/
EVENT COUNTER 00
TO00/TI010/P13
TI000/P12
RxD6/P11[LINSEL]
LINSEL
EXLVI/P120
POWER ON CLEAR/
LOW VOLTAGE
INDICATOR
POC/LVI
CONTROL
RESET CONTROL
SYSTEM
CONTROL
RESET
X1/P121
X2/EXCLK/P122
ON-CHIP DEBUG
OCD0A/X1, OCD1A/P31
OCD0B/X2, OCD1B/P32
VOLTAGE
REGULATOR
REGC
INTERNAL
HIGH-SPEED
OSCILLATOR
INTERNAL
LOW-SPEED
OSCILLATOR
PORT 8
P80 to P83
4
A/D
CONVERTER
ANI0/P20 to ANI5/P25,
ANI8/P80 to ANI11/P83
AV
DD
AV
SS
OP-AMP 0
AMP0-/P20
AMP0OUT/P21
AMP0+/P22
OP-AMP 1
AMP1-/P23
AMP1OUT/P24
AMP1+/P25
AV
REF
10
OP-AMP 2
AMP2-/P80
AMP2OUT/P81
AMP2+/P82
MULTIPLIER&
DIVIDER
SERIAL
INTERFACE IICA
SDAA0/P61
SCLA0/P60
INTERRUPT
CONTROL
INTP1/P35, INTP4/P32,
INTP5/P31, INTP6/P13,
INTP7/P12
INTP0/P120
RxD6/P11 [LINSEL]
5
SERIAL
INTERFACE CSI10
SI10/P61
SO10/P35
SCK10/P60
(SI10/) P32
(SCK10/) P31
Remark
The functions of pins whose names are in parentheses can be used by setting bit 2 (ISC2) of the input
switch control register (ISC) to 1. If ISC2 is 0, serial interface CSI10 can only be used to send and
received data as a slave.