Datasheet

Section 1 Overview
Rev. 4.00 Sep 27, 2006 page 7 of 1130
REJ09B0327-0400
1.2 Internal Block Diagram
An internal block diagram of the H8S/2148 Group is shown in figure 1.1 (a), an internal block
diagram of the H8S/2147N is shown in figure 1.1 (b), and an internal block diagram of the
H8S/2144 Group in figure 1.1 (c).
H8S/2000 CPU
DTC
WDT0, WDT1
ROM
RAM
P17/A7/PW7
P16/A6/PW6
P15/A5/PW5
P14/A4/PW4
P13/A3/PW3
P12/A2/PW2
P11/A1/PW1
P10/A0/PW0
P27/A15/PW15/CBLANK
P26/A14/PW14
P25/A13/PW13
P24/A12/PW12
P23/A11/PW11
P22/A10/PW10
P21/A9/PW9
P20/A8/PW8
PA7/A23/KIN15/CIN15/PS2CD
PA6/A22/KIN14/CIN14/PS2CC
PA5/A21/KIN13/CIN13/PS2BD
PA4/A20/KIN12/CIN12/PS2BC
PA3/A19/KIN11/CIN11/PS2AD
PA2/A18/KIN10/CIN10/PS2AC
PA1/A17/KIN9/CIN9
PA0/A16/KIN8/CIN8
P37/D15/HDB7
P36/D14/HDB6
P35/D13/HDB5
P34/D12/HDB4
P33/D11/HDB3
P32/D10/HDB2
P31/D9/HDB1
P30/D8/HDB0
PB7/D7
PB6/D6
PB5/D5
PB4/D4
PB3/D3/CS4
PB2/D2/CS3
PB1/D1/HIRQ4
PB0/D0/HIRQ3
P97/WAIT/SDA0
P96/φ/EXCL
P95/AS/IOS/CS1
P94/HWR/IOW
P93/RD/IOR
P92/IRQ0
P91/IRQ1
P90/LWR/IRQ2/ADTRG/ECS2
P67/TMOX/CIN7/KIN7/IRQ7
P66/FTOB/CIN6/KIN6/IRQ6
P65/FTID/CIN5/KIN5
P64/FTIC/CIN4/KIN4/CLAMPO
P63/FTIB/CIN3/KIN3/VFBACKI
P62/FTIA/CIN2/KIN2/VSYNCI/TMIY
P61/FTOA/CIN1/KIN1/VSYNCO
P60/FTCI/CIN0/KIN0/HFBACKI/TMIX
P47/PWX1
P46/PWX0
P45/TMRI1/HIRQ12/CSYNCI
P44/TMO1/HIRQ1/HSYNCO
P43/TMCI1/HIRQ11/HSYNCI
P42/TMRI0/SCK2/SDA1
P41/TMO0/RxD2/IrRxD
P40/TMCI0/TxD2/IrTxD
P52/SCK0/SCL0
P51/RxD0
P50/TxD0
P77/AN7/DA1 P76/AN6/DA0 P75/AN5 P74/AN4 P73/AN3 P72/AN2 P71/AN1 P70/AN0
P86/IRQ5/SCK1/SCL1 P85/IRQ4/RxD1 P84/IRQ3/TxD1 P83 P82/HIFSD P81/CS2/GA20
P80/HA0
AVref AVCC AVSS
RES
XTAL
EXTAL
VCCB
MD1
MD0
NMI
STBY
RESO
VCC1 VCC2 (VCL) VSS VSS VSS VSS VSS
Port 9Port 6Port 4Port 5
Port APort 2Port 1Port 3Port B
Clock pulse generator
Interrupt
controller
16-bit FRT
8-bit timer × 4ch
(TMR0, TMR1,
TMRX, TMRY)
Timer connection
SCI × 3ch
(IrDA × 1ch)
IIC × 2ch
(option)
Port 8
Port 7
Internal data bus
Internal address bus
Bus controller
Keyboard buffer
controller × 3ch
8-bit PWM
14-bit PWM
Host interface
10-bit A/D
8-bit D/A
Figure 1.1 (a) Internal Block Diagram of H8S/2148 Group