Fujitsu MB88121 Application Note page 7

3.1.3.6
3.1.3.7
3.1.4 Setup of Port function register (PFR) ....................................................... 28
3.1.4.1
3.1.5 External bus clock.................................................................................... 34
3.1.5.1
3.1.6 Initialisation sequence of MB88121 ......................................................... 35
3.2 Interrupts............................................................................................................... 36
3.2.1 MB88121 interrupt ................................................................................... 36
3.2.2 MCU external interrupt............................................................................. 37
3.2.2.1
3.2.2.2
3.2.2.3
3.3 DMA usage ........................................................................................................... 42
3.3.1 DMA register at MB88121........................................................................ 42
3.3.2 DMA at MB91460 .................................................................................... 42
3.3.3 DMA flow for Output buffer transfer ......................................................... 43
3.3.4 DMA flow for input buffer transfer ............................................................ 44
3.4 Debugging support ................................................................................................ 45
4 REFERENCE ................................................................................................................. 46
5 APPENDIX ..................................................................................................................... 47
5.1 Connection example using none-multiplexed Bus interface................................... 47
5.2 Connection example using multiplexed bus interface ............................................ 51
5.3 Tables ................................................................................................................... 55
5.4 Figures .................................................................................................................. 55
© Fujitsu Microelectronics Europe GmbH
Interfacing MB91460 TO MB88121
Contents
Settings of register
start91460.asm ........................................................................ 26
Register CHER, IOWR, TCR, MCRA, MCRB and RCR ........... 27
Port function register settings in start91460.asm...................... 30
Example setting in start91460.asm .......................................... 34
External interrupt configuration registers.................................. 37
Port function Register (PFR) .................................................... 38
Interrupt vector table ................................................................ 40
- 5 -
ASR, AWR, ACR,
MCU-AN-300016-E-V10
CSER in file