Seiko Epson Corporation
S1C31D50 TECHNICAL MANUAL
(Rev. 1.00)
RAM ______________________________________________________________ 4-3
Peripheral Circuit Control Registers _____________________________________ 4-4
System-Protect Function _________________________________________________ 4-4
Instruction Cache ___________________________________________________ 4-4
Memory Mapped Access Area For External Flash Memory __________________ 4-4
Control Registers ____________________________________________________ 4-5
Interrupt ________________________________________________________ 5-1
Overview __________________________________________________________ 5-1
Vector Table ________________________________________________________ 5-2
Vector Table Offset Address (VTOR) _________________________________________ 5-5
Priority of Interrupts _____________________________________________________ 5-5
Peripheral Circuit Interrupt Control _____________________________________ 5-5
NMI ______________________________________________________________ 5-5
DMA Controller (DMAC) ____________________________________________ 6-1
Overview __________________________________________________________ 6-1
Operations_________________________________________________________ 6-2
Initialization ____________________________________________________________ 6-2
Priority ____________________________________________________________ 6-2
Data Structure ______________________________________________________ 6-2
Transfer Source End Pointer _______________________________________________ 6-4
Transfer Destination End Pointer ___________________________________________ 6-4
Control Data ___________________________________________________________ 6-4
DMA Transfer Mode _________________________________________________ 6-6
Basic Transfer __________________________________________________________ 6-6
Auto-Request Transfer ___________________________________________________ 6-6
Ping-Pong Transfer ______________________________________________________ 6-7
Memory Scatter-Gather Transfer __________________________________________ 6-8
Peripheral Scatter-Gather Transfer ________________________________________ 6-11
DMA Transfer Cycle _________________________________________________ 6-12
Interrupts ________________________________________________________ 6-12
Control Registers ___________________________________________________ 6-13
I/O Ports (PPORT) _________________________________________________ 7-1
Overview __________________________________________________________ 7-1
I/O Cell Structure and Functions _______________________________________ 7-2
Schmitt Input __________________________________________________________ 7-2
Over Voltage Tolerant Fail-Safe Type I/O Cell _________________________________ 7-2
Pull-Up/Pull-Down ______________________________________________________ 7-2
CMOS Output and High Impedance State ___________________________________ 7-3
Clock Settings ______________________________________________________ 7-3
PPORT Operating Clock __________________________________________________ 7-3
Clock Supply in SLEEP Mode _______________________________________________ 7-3
Summary of Contents for S1C31D50
Page 461: ...25 1 Seiko Epson Corporation S1C31D50 TECHNICAL MANUAL Rev 1 00 25 Package TQFP12 48PIN ...
Page 462: ...25 2 Seiko Epson Corporation S1C31D50 TECHNICAL MANUAL Rev 1 00 QFP13 64PIN ...
Page 463: ...25 3 Seiko Epson Corporation S1C31D50 TECHNICAL MANUAL Rev 1 00 TQFP14 80PIN ...
Page 464: ...25 4 Seiko Epson Corporation S1C31D50 TECHNICAL MANUAL Rev 1 00 QFP15 100PIN ...