From aeaaeeb457b763d3b5ac2c93441af449230c0f96 Mon Sep 17 00:00:00 2001 From: AJR Date: Mon, 4 Nov 2019 09:22:01 -0500 Subject: st2204, st2205u: More notes (nw) --- src/devices/cpu/m6502/st2204.cpp | 2 +- src/devices/cpu/m6502/st2205u.cpp | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/src/devices/cpu/m6502/st2204.cpp b/src/devices/cpu/m6502/st2204.cpp index 3e27a0be555..db13be2f8e5 100644 --- a/src/devices/cpu/m6502/st2204.cpp +++ b/src/devices/cpu/m6502/st2204.cpp @@ -13,7 +13,7 @@ * LCD controller (320x240 B/W or 240x160 4-gray) * Serial peripheral interface * UART (built-in BRG; RS-232 and IrDA modes) - * Direct memory access + * Direct memory access (1 channel) * Power down modes (WAI-0, WAI-1, STP) * Watchdog timer * Low voltage detector diff --git a/src/devices/cpu/m6502/st2205u.cpp b/src/devices/cpu/m6502/st2205u.cpp index 0e2e17ce206..40d118be795 100644 --- a/src/devices/cpu/m6502/st2205u.cpp +++ b/src/devices/cpu/m6502/st2205u.cpp @@ -15,13 +15,13 @@ * Serial peripheral interface * UART (built-in BRG; RS-232 and IrDA modes) * USB 1.1 (separate control and bulk transfer endpoint buffers) - * Direct memory access + * Direct memory access (2 channels, optional XOR/OR/AND logic) * NAND/AND Flash memory interface (includes ECC generator) * Power down modes (WAI-0, WAI-1, STP) * Watchdog timer * Real time clock (seconds, minutes, hours with alarm interrupts) * Low voltage detector with reset - * 512K ROM (may be disabled) + * 16K OTP ROM (may be disabled) * 32K SRAM One important difference between the ST2205U and almost every -- cgit v1.2.3