Fujitsu FR20 User Manual

4

CHAPTER 1  Overview of MB91191/MB91192 Series

Figure 1.2-1 shows the block diagram of all MB91191/MB91192 series. 

■

PC2/PWM

12/SC

S1

PC3 /PWM11/SCS2
PC4 /PWM10
PC5 /PWM02
PC6 /PWM01
PC7 /PWM00

PD4 /SO1
PD5 /SCK1
PD6 /SCS0
PD7/SI0

PC0/SO0
PC1/SCK0

PD3 /SI1 /INT 2

PD1 /SO2
PD2 /SCK 2

PD0 /SI2

PA7/AN-F/KEY7

PA4/AN-C /KEY4
PA3/AN-B /KEY3
PA2/AN-A /KEY2
PA1/AN-9 /KEY1
PA0/AN-8 /KEY0

PB7/AN-7
PB6/AN-6
PB5/AN-5
PB4/AN-4
PB3/AN-3
PB2/AN-2
PB1/AN-1
PB0/AN-0

INT2-0 (from  por t1,D )

OSC

I

OSC

O

XO
X1

P80 /PPG04

P94/PPG0 3
P93/PPG0 2
P92/PPG 01
P91/PPG 00
P90/PO

P87 /PPG11

P46/PPG18

P40/PPG12

P47

P06/EXI1
P05/EXI 0

P01/RFG0

P00/RFG1

P03 /DFG
PO2/DPG

P07/EXI 2/PMI

P04 /CFG

P10/PMSK

P11/EC4/INT0

P12 /EC5/INT1

PA6/AN-E/KEY6
PA5/AN-D/KEY5

RTO

4-0 (t o port 1)

P16 /RTO 3

P17 /RTO 4

P14 /RTO 1

P15 /RTO 2

P13 /RTO 0

P70/XOUT

P65

P64

P67/T4O

P66 /T5O1

P61/WR0

P60 /RD

P63 /ALE

P62/WR1

P50/A08

P57/A15

P20/D16

P27/D23

P30/D24

P37/D31

MD1

MD0

RST

MD2

P86 /PPG10
P85 /PPG09
P84 /PPG08
P83 /PPG07
P82 /PPG06
P81 /PPG05

P41/PPG13

P42/PPG14

P43/PPG15

P44/PPG16

P45/PPG17

I-bu s

D-bus

I-bu s

D-bus

D-bus

R-bus

C-bus

P

O
R

T

P

O
R

T

P

O
R

T

P

O
R

T

P

O
R

T

P

O
R

T

P

O
R

T

P

O
R

T

P

O
R

T

2

/

3

5

6

7

1

0

4

8

/

9

C

/

D

P

O
R

T

A

/

B

Mode Control

FR20 CPU Core

RAM 2KB

MB91191R : ROM   254KB
MB91192  : ROM   384KB
MB91F191A: FLASH 254KB
MB91F192 : FLASH 384KB 

External Bus CTL

16bit Timer0-3

8/16bit Timer

16bit Timer4

8bit PWC

CFG

DFG

RFG0

RFG1

OSC

OSC

C-unit

10bit Programale
   Prescaler 

Interrapt
Controler

24bit FRC

  fifo
29bit x 8

RAM 256Byte

RAM 64Byte

PPG0

PPG1

Bit Search

MB91191R :RAM 6KB
MB91192  :RAM 8KB
MB91F191A:RAM 6KB
MB91F192 :RAM 8KB

RAM

128Byte

RAM

128Byte

RAM

128Byte

Serial

ch0

Serial

ch1

Serial

ch2

12bit PWM00-02

12bit PWM10-12

External-Interrapt

16bit RTGO-2

External-Interrapt

(Key input)

10bit A/DC

fifo

(soft)

fifo

(hard)