Datasheet

78K0/Ix2 CHAPTER 3 CPU ARCHITECTURE
R01UH0010EJ0500 Rev.5.00 46
Feb 28, 2012
Correspondence between the address values and block numbers in the flash memory are shown below.
Table 3-2. Correspondence Between Address Values and Block Numbers in Flash Memory
Address Value Block Number
0000H to 03FFH 00H
0400H to 07FFH 01H
0800H to 0BFFH 02H
0C00H to 0FFFH 03H
1000H to 13FFH 04H
1400H to 17FFH 05H
1800H to 1BFFH 06H
1C00H to 1FFFH 07H
2000H to 23FFH 08H
2400H to 27FFH 09H
2800H to 2BFFH 0AH
2C00H to 2FFFH 0BH
3000H to 33FFH 0CH
3400H to 37FFH 0DH
3800H to 3BFFH 0EH
3C00H to 3FFFH 0FH
Remark
PD78F0740, 78F0750: Block numbers 00H to 03H
PD78F0741, 78F0743, 78F0745, 78F0751, 78F0753, 78F0755: Block numbers 00H to 07H
PD78F0742, 78F0744, 78F0746, 78F0752, 78F0754, 78F0756: Block numbers 00H to 0FH
3.1.1 Internal program memory space
T
he internal program memory space stores the program and table data. Normally, it is addressed with the program
counter (PC).
78K0/Ix2 microcontrollers incorporate internal ROM (flash memory), as shown below.
Table 3-3. Internal ROM Capacity
Product Internal ROM
78K0/IY2 78K0/IA2 78K0/IB2 Structure Capacity
PD78F0740, 78F0750
4096 8 bits
(0000H to 0FFFH)
PD78F0741, 78F0751
PD78F0743, 78F0753
PD78F0745, 78F0755
8192 8 bits
(0000H to 1FFFH)
PD78F0742, 78F0752
PD78F0744, 78F0754
PD78F0746, 78F0756
Flash memory
16384 8 bits
(0000H to 3FFFH)
The internal program memory space is divided into the following areas.