UPD61052 NEC, UPD61052 Datasheet - Page 53

• Manufacturer Part Number: UPD61052
• Description: MPEG2 Audio / Video Encoder
• Manufacturer: NEC

4.2.2
RAM of Internal CPU.
canceled on the way, the internal CPU sometime malfunction.
When the host CPU is a serial bus type, CPU transmits the instruction of a mode from external ROM to instruction
When transferring data continuously, transfer during resetting an internal CPU, If reset of internal CPU is can
External ROM to instruction RAM of internal CPU
Data Sheet S15082EJ4V0DS
Internal CPU reset is canceled
Transfer ending (refer to 4.7)
Destination address register
ROM access cycle register
Transfer counter register
Source address register
Transfer mode register
(Program size + 3)/4
iROM→iRAM transfer
(27H to 29H) setting
Reset register (3EH)
(21H to 23H) setting
(24H to 26H) setting
(3EH)←00H setting
(20H)←80H setting
to instruction RAM
Internal CPU reset
of internal CPU
External ROM
Reset register
←02H setting
(35H) setting
Return
µ
PD61051, 61052
53